{"title":"75 mm","description":null,"products":[{"product_id":"ronstan-rf79100","title":"RF79100 - Orbit Blocks   Series 75","description":"\u003cp\u003eOrbit blocks   are a no-compromise product range developed to meet the demands and expectations of the very dedicated and increasingly professional racing sailor. Side cheeks incorporating head structure and hub are precision machined as a single part from solid alloy, leaving material only where it contributes to the load carrying capacity of the block and eliminating the need for additional fasteners. The Orbit sheave has captive acetal or Torlon  ball bearings for side thrust loads, eliminating the need for side retainer plates. This reduces weight and allows for a wider bearing surface that can accommodate longer Torlon  needles  -  achieving a substantially higher strength-to-weight ratio.Head posts of swivel blocks can be locked at 0 or 90 degrees.\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448448139347,"sku":"Ronstan-RF79100","price":600.25,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-20-15.png?v=1631102742"},{"product_id":"ronstan-rf79110","title":"RF79110 - Orbit Blocks   Series 75","description":"\u003cp\u003eOrbit blocks   are a no-compromise product range developed to meet the demands and expectations of the very dedicated and increasingly professional racing sailor. Side cheeks incorporating head structure and hub are precision machined as a single part from solid alloy, leaving material only where it contributes to the load carrying capacity of the block and eliminating the need for additional fasteners. The Orbit sheave has captive acetal or Torlon  ball bearings for side thrust loads, eliminating the need for side retainer plates. This reduces weight and allows for a wider bearing surface that can accommodate longer Torlon  needles  -  achieving a substantially higher strength-to-weight ratio.Head posts of swivel blocks can be locked at 0 or 90 degrees.\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448448270419,"sku":"Ronstan-RF79110","price":719.69,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-8-29.png?v=1631102752"},{"product_id":"ronstan-rf79108","title":"RF79108 - Orbit Blocks   Series 75","description":"\u003cp\u003eOrbit blocks   are a no-compromise product range developed to meet the demands and expectations of the very dedicated and increasingly professional racing sailor. Side cheeks incorporating head structure and hub are precision machined as a single part from solid alloy, leaving material only where it contributes to the load carrying capacity of the block and eliminating the need for additional fasteners. The Orbit sheave has captive acetal or Torlon  ball bearings for side thrust loads, eliminating the need for side retainer plates. This reduces weight and allows for a wider bearing surface that can accommodate longer Torlon  needles  -  achieving a substantially higher strength-to-weight ratio.Halyard blocks are used in applications with a fixed line entry-angle to keep lines close to the deck as they lead aft to organisers and winches. Halyard block has a removable pin for attachment to deck padeyes or mast collar\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448449581139,"sku":"Ronstan-RF79108","price":591.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-18-17.png?v=1631102772"},{"product_id":"ronstan-rf79151","title":"RF79151 - Orbit Blocks   Series 75","description":"\u003cp\u003eOrbit blocks   are a no-compromise product range developed to meet the demands and expectations of the very dedicated and increasingly professional racing sailor. Side cheeks incorporating head structure and hub are precision machined as a single part from solid alloy, leaving material only where it contributes to the load carrying capacity of the block and eliminating the need for additional fasteners. The Orbit sheave has captive acetal or Torlon  ball bearings for side thrust loads, eliminating the need for side retainer plates. This reduces weight and allows for a wider bearing surface that can accommodate longer Torlon  needles  -  achieving a substantially higher strength-to-weight ratio.Features through-hub mounting for maximum strength. Cover plate can be removed for service access.\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448449712211,"sku":"Ronstan-RF79151","price":512.74,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-13-23.png?v=1631102792"},{"product_id":"ronstan-rf79140","title":"RF79140 - Orbit Blocks   Series 75","description":"\u003cp\u003eOrbit blocks   are a no-compromise product range developed to meet the demands and expectations of the very dedicated and increasingly professional racing sailor. Side cheeks incorporating head structure and hub are precision machined as a single part from solid alloy, leaving material only where it contributes to the load carrying capacity of the block and eliminating the need for additional fasteners. The Orbit sheave has captive acetal or Torlon  ball bearings for side thrust loads, eliminating the need for side retainer plates. This reduces weight and allows for a wider bearing surface that can accommodate longer Torlon  needles  -  achieving a substantially higher strength-to-weight ratio.The stand-up Orbit blocks are supplied with stainless steel padeyes and rubber support bases.\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448450629715,"sku":"Ronstan-RF79140","price":747.57,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-2-39.png?v=1631102923"},{"product_id":"ronstan-rf72175","title":"RF72175 - Ultimate Ratchet Series 60 \u0026 75","description":"\u003cp\u003eThe patented extruded hole design, in conjunction with the groove profile of the sheave, provides a more powerful grip than conventional designs - up to 20:1 holding power. Unrivalled low weight is achieved by the use of a Torlon  ratchet pawl, high grade machined alloy sheave and black Acetal hubs and bearings. On-Off switching knob is fitted to both sides of the swivel blocks (one can be removed if desired). Ratchet blocks can be disassembled for sheave replacement with RF62000.Maintains alignment with a variable line entry-angle. The line passes through the centre of the pivot support, remaining as close to the deck as possible. The patented extruded hole design, in conjunction with the groove profile of the sheave, provides a\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448450760787,"sku":"Ronstan-RF72175","price":569.33,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-18-24.png?v=1631102942"},{"product_id":"ronstan-rf79200","title":"RF79200 - Orbit Blocks   Series 75","description":"\u003cp\u003eOrbit blocks   are a no-compromise product range developed to meet the demands and expectations of the very dedicated and increasingly professional racing sailor. Side cheeks incorporating head structure and hub are precision machined as a single part from solid alloy, leaving material only where it contributes to the load carrying capacity of the block and eliminating the need for additional fasteners. The Orbit sheave has captive acetal or Torlon  ball bearings for side thrust loads, eliminating the need for side retainer plates. This reduces weight and allows for a wider bearing surface that can accommodate longer Torlon  needles  -  achieving a substantially higher strength-to-weight ratio.Head posts of swivel blocks can be locked at 0 or 90 degrees.\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448450859091,"sku":"Ronstan-RF79200","price":1046.6,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-9-27.png?v=1631102957"},{"product_id":"ronstan-rf70300","title":"RF70300 - Ball Bearing Blocks Series 75","description":"\u003cp\u003eBlocks can be disassembled for servicing or customisation.Head can be locked at 0 ° or 90 ° by engaging the grub screw in either the 0 or 90 degree position.\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448463704147,"sku":"Ronstan-RF70300","price":549.69,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-18-22.png?v=1631103799"},{"product_id":"ronstan-rf72330","title":"RF72330 - Ball Bearing Blocks Series 75","description":"\u003cp\u003eBlocks can be disassembled for servicing or customisation.Removable becket pins allow lines to be pliced prior to fitting. Saddle on under side of cleat can be used as a becket take off point for the creation of a powerful 6:1 purchase system. A single block can be attached to the saddle to increase this to 7:1\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448463802451,"sku":"Ronstan-RF72330","price":836.6,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-20-20.png?v=1631103805"},{"product_id":"ronstan-rf72174","title":"RF72174 - Ultimate Ratchet Series 60 \u0026 75","description":"\u003cp\u003eThe patented extruded hole design, in conjunction with the groove profile of the sheave, provides a more powerful grip than conventional designs - up to 20:1 holding power. Unrivalled low weight is achieved by the use of a Torlon  ratchet pawl, high grade machined alloy sheave and black Acetal hubs and bearings. On-Off switching knob is fitted to both sides of the swivel blocks (one can be removed if desired). Ratchet blocks can be disassembled for sheave replacement with RF62000.Maintains alignment with a variable line entry-angle. The line passes through the centre of the pivot support, remaining as close to the deck as possible. The patented extruded hole design, in conjunction with the groove profile of the sheave, provides a\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448465211475,"sku":"Ronstan-RF72174","price":417.4,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-4-43.png?v=1631103887"},{"product_id":"ronstan-rf72100","title":"RF72100 - Ultimate Ratchet Series 60 \u0026 75","description":"\u003cp\u003eThe patented extruded hole design, in conjunction with the groove profile of the sheave, provides a more powerful grip than conventional designs - up to 20:1 holding power. Unrivalled low weight is achieved by the use of a Torlon  ratchet pawl, high grade machined alloy sheave and black Acetal hubs and bearings. On-Off switching knob is fitted to both sides of the swivel blocks (one can be removed if desired). Ratchet blocks can be disassembled for sheave replacement with RF62000.\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448467800147,"sku":"Ronstan-RF72100","price":364.07,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-16-28.png?v=1631104118"},{"product_id":"ronstan-rf79109","title":"RF79109 - Orbit Blocks   Series 75","description":"\u003cp\u003eOrbit blocks   are a no-compromise product range developed to meet the demands and expectations of the very dedicated and increasingly professional racing sailor. Side cheeks incorporating head structure and hub are precision machined as a single part from solid alloy, leaving material only where it contributes to the load carrying capacity of the block and eliminating the need for additional fasteners. The Orbit sheave has captive acetal or Torlon  ball bearings for side thrust loads, eliminating the need for side retainer plates. This reduces weight and allows for a wider bearing surface that can accommodate longer Torlon  needles  -  achieving a substantially higher strength-to-weight ratio.\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448471601235,"sku":"Ronstan-RF79109","price":592.77,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-16-21.png?v=1631104396"},{"product_id":"ronstan-rf74100","title":"RF74100 - Series 75","description":"\u003cp\u003eCore Blocks   are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Acetal sheave, alloy cheeks and stainless fixings complete the durable package. For reliability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.\n\u003cbr\u003eUniversal Bearing - Dynamic and high static load performance\n\u003cbr\u003eThe Ronstan Universal Bearing incorporates our proven 2-stage bearing system\n\u003cbr\u003eStage 1 - Under moderate loads, Acetal ball bearings ensure minimum friction.\n\u003cbr\u003eStage 2 - Under heavy loads, where deformation of ball bearings alone would result in increased friction, a sliding Acetal bearing on a polished stainless steel race takes over, maintaining low friction performance.\n\u003cbr\u003eAdditionally the ball bearings are configured to act as a thrust bearing between the sheave and cheeks, preventing the sheave from rubbing on the cheeks and causing friction when the line lead in and out of the block isn’t perfect. Particularly important for cheek blocks.\n\u003cbr\u003eAlloy cheek plates\n\u003cbr\u003eBlock cheeks are manufactured from the highest quality alloy for maximum strength. Material optimisation and the cut-away design minimises weight and allows easy fresh water rinsing of salt and debris from the bearings. Cheek design has been further styled with flaring at the block throat and reduced gap between the cheek and sheave, minimising rope wear.\n\u003cbr\u003eUniversal head\n\u003cbr\u003eThe head assembly incorporates a brass bearing washer to provide smooth 360 ° rotation of the post and shackle. A set screw arrangement allows the head to be locked at 0 ° or 90 °.\n\u003cbr\u003eShackles are high quality forged grade 316 stainless steel.\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448473337939,"sku":"Ronstan-RF74100","price":123.25,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-10-38.png?v=1631104497"},{"product_id":"ronstan-rf74110","title":"RF74110 - Series 75","description":"\u003cp\u003eCore Blocks   are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Acetal sheave, alloy cheeks and stainless fixings complete the durable package. For reliability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.\n\u003cbr\u003eUniversal Bearing - Dynamic and high static load performance\n\u003cbr\u003eThe Ronstan Universal Bearing incorporates our proven 2-stage bearing system\n\u003cbr\u003eStage 1 - Under moderate loads, Acetal ball bearings ensure minimum friction.\n\u003cbr\u003eStage 2 - Under heavy loads, where deformation of ball bearings alone would result in increased friction, a sliding Acetal bearing on a polished stainless steel race takes over, maintaining low friction performance.\n\u003cbr\u003eAdditionally the ball bearings are configured to act as a thrust bearing between the sheave and cheeks, preventing the sheave from rubbing on the cheeks and causing friction when the line lead in and out of the block isn’t perfect. Particularly important for cheek blocks.\n\u003cbr\u003eAlloy cheek plates\n\u003cbr\u003eBlock cheeks are manufactured from the highest quality alloy for maximum strength. Material optimisation and the cut-away design minimises weight and allows easy fresh water rinsing of salt and debris from the bearings. Cheek design has been further styled with flaring at the block throat and reduced gap between the cheek and sheave, minimising rope wear.\n\u003cbr\u003eUniversal head The head assembly incorporates a brass bearing washer to provide smooth 360 ° rotation of the post and shackle. A set screw arrangement allows the head to be locked at 0 ° or 90 °. Shackles are high quality forged grade 316 stainless steel. Suits pre-spliced lines Removable becket pins allow fitting of pre-spliced lines. The flush fit becket pin head is kind on deck surfaces and won’t snag lines.\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448473469011,"sku":"Ronstan-RF74110","price":184.58,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-15-33.png?v=1631104506"},{"product_id":"ronstan-rf74108","title":"RF74108 - Series 75","description":"\u003cp\u003eCore Blocks   are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Acetal sheave, alloy cheeks and stainless fixings complete the durable package. For reliability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.\n\u003cbr\u003eUniversal Bearing - Dynamic and high static load performance\n\u003cbr\u003eThe Ronstan Universal Bearing incorporates our proven 2-stage bearing system\n\u003cbr\u003eStage 1 - Under moderate loads, Acetal ball bearings ensure minimum friction.\n\u003cbr\u003eStage 2 - Under heavy loads, where deformation of ball bearings alone would result in increased friction, a sliding Acetal bearing on a polished stainless steel race takes over, maintaining low friction performance.\n\u003cbr\u003eAdditionally the ball bearings are configured to act as a thrust bearing between the sheave and cheeks, preventing the sheave from rubbing on the cheeks and causing friction when the line lead in and out of the block isn’t perfect. Particularly important for cheek blocks.\n\u003cbr\u003eAlloy cheek plates\n\u003cbr\u003eBlock cheeks are manufactured from the highest quality alloy for maximum strength. Material optimisation and the cut-away design minimises weight and allows easy fresh water rinsing of salt and debris from the bearings. Cheek design has been further styled with flaring at the block throat and reduced gap between the cheek and sheave, minimising rope wear.\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448473534547,"sku":"Ronstan-RF74108","price":143.37,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-13-35.png?v=1631104512"},{"product_id":"ronstan-rf79109a","title":"RF79109A - Orbit Blocks   Series 75","description":"\u003cp\u003eOrbit blocks   are a no-compromise product range developed to meet the demands and expectations of the very dedicated and increasingly professional racing sailor. Side cheeks incorporating head structure and hub are precision machined as a single part from solid alloy, leaving material only where it contributes to the load carrying capacity of the block and eliminating the need for additional fasteners. The Orbit sheave has captive acetal or Torlon  ball bearings for side thrust loads, eliminating the need for side retainer plates. This reduces weight and allows for a wider bearing surface that can accommodate longer Torlon  needles  -  achieving a substantially higher strength-to-weight ratio.\n\u003cbr\u003eFor comprehensive installation instructions see: Lashing Block Installation Instructions\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448473829459,"sku":"Ronstan-RF79109A","price":1211.28,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-3-38.png?v=1631104532"},{"product_id":"ronstan-rf74151","title":"RF74151 - Series 75","description":"\u003cp\u003eCore Blocks   are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Acetal sheave, alloy cheeks and stainless fixings complete the durable package. For reliability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.\n\u003cbr\u003eUniversal Bearing - Dynamic and high static load performance\n\u003cbr\u003eThe Ronstan Universal Bearing incorporates our proven 2-stage bearing system\n\u003cbr\u003eStage 1 - Under moderate loads, Acetal ball bearings ensure minimum friction.\n\u003cbr\u003eStage 2 - Under heavy loads, where deformation of ball bearings alone would result in increased friction, a sliding Acetal bearing on a polished stainless steel race takes over, maintaining low friction performance.\n\u003cbr\u003eAdditionally the ball bearings are configured to act as a thrust bearing between the sheave and cheeks, preventing the sheave from rubbing on the cheeks and causing friction when the line lead in and out of the block isn’t perfect. Particularly important for cheek blocks.\n\u003cbr\u003eAlloy cheek plates\n\u003cbr\u003eBlock cheeks are manufactured from the highest quality alloy for maximum strength. Material optimisation and the cut-away design minimises weight and allows easy fresh water rinsing of salt and debris from the bearings. Cheek design has been further styled with flaring at the block throat and reduced gap between the cheek and sheave, minimising rope wear.\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448477368403,"sku":"Ronstan-RF74151","price":166.55,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-7-44.png?v=1631104749"},{"product_id":"ronstan-rf74202","title":"RF74202 - Series 75","description":"\u003cp\u003eCore Blocks   are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Acetal sheave, alloy cheeks and stainless fixings complete the durable package. For reliability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.\n\u003cbr\u003eUniversal Bearing - Dynamic and high static load performance\n\u003cbr\u003eThe Ronstan Universal Bearing incorporates our proven 2-stage bearing system\n\u003cbr\u003eStage 1 - Under moderate loads, Acetal ball bearings ensure minimum friction.\n\u003cbr\u003eStage 2 - Under heavy loads, where deformation of ball bearings alone would result in increased friction, a sliding Acetal bearing on a polished stainless steel race takes over, maintaining low friction performance.\n\u003cbr\u003eAdditionally the ball bearings are configured to act as a thrust bearing between the sheave and cheeks, preventing the sheave from rubbing on the cheeks and causing friction when the line lead in and out of the block isn’t perfect. Particularly important for cheek blocks.\n\u003cbr\u003eAlloy cheek plates\n\u003cbr\u003eBlock cheeks are manufactured from the highest quality alloy for maximum strength. Material optimisation and the cut-away design minimises weight and allows easy fresh water rinsing of salt and debris from the bearings. Cheek design has been further styled with flaring at the block throat and reduced gap between the cheek and sheave, minimising rope wear.\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448477532243,"sku":"Ronstan-RF74202","price":279.01,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-6-42.png?v=1631104760"},{"product_id":"ronstan-rf74140","title":"RF74140 - Series 75","description":"\u003cp\u003eCore Blocks   are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Acetal sheave, alloy cheeks and stainless fixings complete the durable package. For reliability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.\n\u003cbr\u003eUniversal Bearing - Dynamic and high static load performance\n\u003cbr\u003eThe Ronstan Universal Bearing incorporates our proven 2-stage bearing system\n\u003cbr\u003eStage 1 - Under moderate loads, Acetal ball bearings ensure minimum friction.\n\u003cbr\u003eStage 2 - Under heavy loads, where deformation of ball bearings alone would result in increased friction, a sliding Acetal bearing on a polished stainless steel race takes over, maintaining low friction performance.\n\u003cbr\u003eAdditionally the ball bearings are configured to act as a thrust bearing between the sheave and cheeks, preventing the sheave from rubbing on the cheeks and causing friction when the line lead in and out of the block isn’t perfect. Particularly important for cheek blocks.\n\u003cbr\u003eAlloy cheek plates\n\u003cbr\u003eBlock cheeks are manufactured from the highest quality alloy for maximum strength. Material optimisation and the cut-away design minimises weight and allows easy fresh water rinsing of salt and debris from the bearings. Cheek design has been further styled with flaring at the block throat and reduced gap between the cheek and sheave, minimising rope wear.\n\u003cbr\u003eFully articulated stand-up\n\u003cbr\u003eStand-up models have a low profile linkage that provides full rotation and articulation. A high strength precision cast padeye minimises the footprint and a dedicated rubber boot ensures the block is held upright when not loaded.\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448477794387,"sku":"Ronstan-RF74140","price":227.5,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-17-32.png?v=1631104770"},{"product_id":"ronstan-rf74108a","title":"RF74108A - Series 75","description":"\u003cp\u003eCore Blocks   are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Acetal sheave, alloy cheeks and stainless fixings complete the durable package. For reliability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.\n\u003cbr\u003eUniversal Bearing - Dynamic and high static load performance\n\u003cbr\u003eThe Ronstan Universal Bearing incorporates our proven 2-stage bearing system\n\u003cbr\u003eStage 1 - Under moderate loads, Acetal ball bearings ensure minimum friction.\n\u003cbr\u003eStage 2 - Under heavy loads, where deformation of ball bearings alone would result in increased friction, a sliding Acetal bearing on a polished stainless steel race takes over, maintaining low friction performance.\n\u003cbr\u003eAdditionally the ball bearings are configured to act as a thrust bearing between the sheave and cheeks, preventing the sheave from rubbing on the cheeks and causing friction when the line lead in and out of the block isn’t perfect. Particularly important for cheek blocks.\n\u003cbr\u003eAlloy cheek plates\n\u003cbr\u003eBlock cheeks are manufactured from the highest quality alloy for maximum strength. Material optimisation and the cut-away design minimises weight and allows easy fresh water rinsing of salt and debris from the bearings. Cheek design has been further styled with flaring at the block throat and reduced gap between the cheek and sheave, minimising rope wear.\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448480317523,"sku":"Ronstan-RF74108A","price":120.78,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-12-36.png?v=1631104846"},{"product_id":"ronstan-rf74100aw","title":"RF74100AW - Series 75","description":"\u003cp\u003eCore Blocks   are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Acetal sheave, alloy cheeks and stainless fixings complete the durable package. For reliability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.\n\u003cbr\u003eUniversal Bearing - Dynamic and high static load performance\n\u003cbr\u003eThe Ronstan Universal Bearing incorporates our proven 2-stage bearing system\n\u003cbr\u003eStage 1 - Under moderate loads, Acetal ball bearings ensure minimum friction.\n\u003cbr\u003eStage 2 - Under heavy loads, where deformation of ball bearings alone would result in increased friction, a sliding Acetal bearing on a polished stainless steel race takes over, maintaining low friction performance.\n\u003cbr\u003eAdditionally the ball bearings are configured to act as a thrust bearing between the sheave and cheeks, preventing the sheave from rubbing on the cheeks and causing friction when the line lead in and out of the block isn’t perfect. Particularly important for cheek blocks.\n\u003cbr\u003eAlloy cheek plates\n\u003cbr\u003eBlock cheeks are manufactured from the highest quality alloy for maximum strength. Material optimisation and the cut-away design minimises weight and allows easy fresh water rinsing of salt and debris from the bearings. Cheek design has been further styled with flaring at the block throat and reduced gap between the cheek and sheave, minimising rope wear.\n\u003cbr\u003eUniversal head\n\u003cbr\u003eThe head assembly incorporates a brass bearing washer to provide smooth 360 ° rotation of the post and shackle. A set screw arrangement allows the head to be locked at 0 ° or 90 °.\n\u003cbr\u003eShackles are high quality forged grade 316 stainless steel.\n\u003cbr\u003eAcetal \u0026amp; aluminium sheave options\n\u003cbr\u003eselected models are available with an aluminium sheave which has a deep groove profile specifically made for use with wire.\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448480481363,"sku":"Ronstan-RF74100AW","price":225.79,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-2-52.png?v=1631104854"},{"product_id":"ronstan-rf74251","title":"RF74251 - Series 75","description":"\u003cp\u003eCore Blocks   are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Acetal sheave, alloy cheeks and stainless fixings complete the durable package. For reliability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.\n\u003cbr\u003eUniversal Bearing - Dynamic and high static load performance\n\u003cbr\u003eThe Ronstan Universal Bearing incorporates our proven 2-stage bearing system\n\u003cbr\u003eStage 1 - Under moderate loads, Acetal ball bearings ensure minimum friction.\n\u003cbr\u003eStage 2 - Under heavy loads, where deformation of ball bearings alone would result in increased friction, a sliding Acetal bearing on a polished stainless steel race takes over, maintaining low friction performance.\n\u003cbr\u003eAdditionally the ball bearings are configured to act as a thrust bearing between the sheave and cheeks, preventing the sheave from rubbing on the cheeks and causing friction when the line lead in and out of the block isn’t perfect. Particularly important for cheek blocks.\n\u003cbr\u003eAlloy cheek plates\n\u003cbr\u003eBlock cheeks are manufactured from the highest quality alloy for maximum strength. Material optimisation and the cut-away design minimises weight and allows easy fresh water rinsing of salt and debris from the bearings. Cheek design has been further styled with flaring at the block throat and reduced gap between the cheek and sheave, minimising rope wear.\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448481726547,"sku":"Ronstan-RF74251","price":334.95,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-19-28.png?v=1631104976"},{"product_id":"ronstan-rz1703","title":"RZ1703 - Industrial Pulley Blocks Series 75","description":"\u003cp\u003eClevis pin shackle version can be ordered as RZxxxC (eg. RZ1703C)\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448481857619,"sku":"Ronstan-RZ1703","price":152.31,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-2-59.png?v=1631104985"},{"product_id":"ronstan-rz1705","title":"RZ1705 - Industrial Pulley Blocks Series 75","description":"\u003cp\u003eClevis pin shackle version can be ordered as RZxxxC (eg. RZ1705C)\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448482021459,"sku":"Ronstan-RZ1705","price":234.51,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-15-41.png?v=1631104995"},{"product_id":"ronstan-rz1706","title":"RZ1706 - Industrial Pulley Blocks Series 75","description":"\u003cp\u003eClevis pin shackle version can be ordered as RZxxxC (eg. RZ1706C)\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448482086995,"sku":"Ronstan-RZ1706","price":250.32,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-7-51.png?v=1631105001"},{"product_id":"ronstan-rz1707","title":"RZ1707 - Industrial Pulley Blocks Series 75","description":"\u003cp\u003eClevis pin shackle version can be ordered as RZxxxC (eg. RZ1707C)\n\u003cbr\u003eLine load through cleat not to exceed 400kg (880lb)\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448482185299,"sku":"Ronstan-RZ1707","price":245.18,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-5-57.png?v=1631105006"},{"product_id":"ronstan-rz1700aw","title":"RZ1700AW - Industrial Pulley Blocks Series 75","description":"\u003cp\u003e* Clevis pin shackle version can be ordered as RZxxxC eg. RZ1700AWC)\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448482250835,"sku":"Ronstan-RZ1700AW","price":200.85,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-9-47.png?v=1631105011"},{"product_id":"ronstan-rz1000","title":"RZ1000 - Industrial Pulley Blocks Series 75","description":"","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448482349139,"sku":"Ronstan-RZ1000","price":25.15,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-14-44.png?v=1631105019"},{"product_id":"ronstan-rz1000aw","title":"RZ1000AW - Industrial Pulley Blocks Series 75","description":"","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448482447443,"sku":"Ronstan-RZ1000AW","price":110.42,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-8-48.png?v=1631105024"},{"product_id":"ronstan-rz1708","title":"RZ1708 - Industrial Pulley Blocks Series 75","description":"\u003cp\u003eClevis pin shackle version can be ordered as RZxxxC (eg. RZ1708C)\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448482578515,"sku":"Ronstan-RZ1708","price":324.75,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-19-35.png?v=1631105030"},{"product_id":"ronstan-rz1709","title":"RZ1709 - Industrial Pulley Blocks Series 75","description":"\u003cp\u003eClevis pin shackle version can be ordered as RZxxxC (eg. RZ1709C)\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448482644051,"sku":"Ronstan-RZ1709","price":343.71,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-17-39.png?v=1631105035"},{"product_id":"ronstan-rz1710","title":"RZ1710 - Industrial Pulley Blocks Series 75","description":"","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448482742355,"sku":"Ronstan-RZ1710","price":430.29,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-6-50.png?v=1631105042"},{"product_id":"ronstan-rf74142","title":"RF74142 - Series 75","description":"\u003cp\u003eCore Blocks   are a true all round solution. A tuned 2-stage bearing system provides excellent performance across the full working load range with an integrated thrust bearing feature and the resilience to handle high dynamic or static loads. Acetal sheave, alloy cheeks and stainless fixings complete the durable package. For reliability and a long service life, these blocks are the right choice for sheets, halyards and control line applications for cruising and racing.\n\u003cbr\u003eUniversal Bearing - Dynamic and high static load performance\n\u003cbr\u003eThe Ronstan Universal Bearing incorporates our proven 2-stage bearing system\n\u003cbr\u003eStage 1 - Under moderate loads, Acetal ball bearings ensure minimum friction.\n\u003cbr\u003eStage 2 - Under heavy loads, where deformation of ball bearings alone would result in increased friction, a sliding Acetal bearing on a polished stainless steel race takes over, maintaining low friction performance.\n\u003cbr\u003eAdditionally the ball bearings are configured to act as a thrust bearing between the sheave and cheeks, preventing the sheave from rubbing on the cheeks and causing friction when the line lead in and out of the block isn’t perfect. Particularly important for cheek blocks.\n\u003cbr\u003eAlloy cheek plates\n\u003cbr\u003eBlock cheeks are manufactured from the highest quality alloy for maximum strength. Material optimisation and the cut-away design minimises weight and allows easy fresh water rinsing of salt and debris from the bearings. Cheek design has been further styled with flaring at the block throat and reduced gap between the cheek and sheave, minimising rope wear.\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448483496019,"sku":"Ronstan-RF74142","price":234.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-5-50.png?v=1631105105"},{"product_id":"ronstan-rf79209","title":"RF79209 - Orbit Blocks   Series 75","description":"\u003cp\u003eOrbit blocks   are a no-compromise product range developed to meet the demands and expectations of the very dedicated and increasingly professional racing sailor. Side cheeks incorporating head structure and hub are precision machined as a single part from solid alloy, leaving material only where it contributes to the load carrying capacity of the block and eliminating the need for additional fasteners. The Orbit sheave has captive acetal or Torlon  ball bearings for side thrust loads, eliminating the need for side retainer plates. This reduces weight and allows for a wider bearing surface that can accommodate longer Torlon  needles  -  achieving a substantially higher strength-to-weight ratio.\u003c\/p\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":39448485003347,"sku":"Ronstan-RF79209","price":845.09,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tDm2Fpf1KKPA-10-25.png?v=1631105240"},{"product_id":"hkn-3237","title":"3237-75mm Aluminum Double Footblock - Lockoff","description":"\u003cp\u003eUse footblocks to redirect lines on the deck. Footblocks with lockoffs temporarily secure sheets. Either metric or imperial flathead fasteners may be used for mounting and are not exposed. Sideplates and sheaves Hard Lube-anodized for maximum UV protection and a smooth surface. Center cage keeps Torlon ® roller bearings separated and parallel to reduce friction. Torlon is a registered trademark of Solvay Advanced Polymers L.L.C.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":39458424324179,"sku":"HKN-3237","price":1877.37,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tjoOKpkaqiy_-11-15.png?v=1632234964"},{"product_id":"hkn-3235","title":"3235-75mm Aluminum Double Footblock","description":"\u003cp\u003eUse footblocks to redirect lines on the deck. Footblocks with lockoffs temporarily secure sheets. Either metric or imperial flathead fasteners may be used for mounting and are not exposed. Sideplates and sheaves Hard Lube-anodized for maximum UV protection and a smooth surface. Center cage keeps Torlon ® roller bearings separated and parallel to reduce friction. Torlon is a registered trademark of Solvay Advanced Polymers L.L.C.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":39458425241683,"sku":"HKN-3235","price":1466.58,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tjoOKpkaqiy_-7-17.png?v=1632235001"},{"product_id":"hkn-3239","title":"3239-75mm Runner Block - Becket","description":"\u003cp\u003eRunners are used on running backstays of offshore boats to adjust mast bend for different wind conditions. Integrated sideplate bails and recessed cotter key help produce a smooth design that won 't snag lifelines. Sideplates and sheaves Hard Lube-anodized for maximum UV protection and a smooth surface. Center cage keeps Torlon ® roller bearings separated and parallel to reduce friction. Torlon is a registered trademark of Solvay Advanced Polymers L.L.C.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":39458425274451,"sku":"HKN-3239","price":1405.34,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tjoOKpkaqiy_-3-17.png?v=1632235007"},{"product_id":"hkn-1989","title":"1989-75mm Aluminum Flip-Flop Block - Lockoff","description":"\u003cp\u003eThe low-profile Flip-Flop blocks are lightweight and can be used for various leads on your boat including halyard leads, mainsheet leads and spinnaker sheet leads.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":39458425864275,"sku":"HKN-1989","price":1139.49,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tjoOKpkaqiy_-16-15.png?v=1632235060"},{"product_id":"hkn-3238","title":"3238-75mm Runner Block","description":"\u003cp\u003eRunners are used on running backstays of offshore boats to adjust mast bend for different wind conditions. Integrated sideplate bails and recessed cotter key help produce a smooth design that won 't snag lifelines. Sideplates and sheaves Hard Lube-anodized for maximum UV protection and a smooth surface. Center cage keeps Torlon ® roller bearings separated and parallel to reduce friction. Torlon is a registered trademark of Solvay Advanced Polymers L.L.C.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":39458426093651,"sku":"HKN-3238","price":1082.99,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tjoOKpkaqiy_-10-14.png?v=1632235074"},{"product_id":"hkn-3231","title":"3231-75mm Aluminum Block - Swivel","description":"\u003cp\u003eBlack Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems. A center cage keeps Torlon ® roller bearings separated and parallel to reduce friction. Shackle blocks lock in two directions or swivel to keep line from twisting. Torlon is a registered trademark of Solvay Advanced Polymers L.L.C.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":39458426159187,"sku":"HKN-3231","price":1074.93,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tjoOKpkaqiy_-18-6.png?v=1632235083"},{"product_id":"hkn-3236","title":"3236-75mm Aluminum Footblock - Lockoff","description":"\u003cp\u003eUse footblocks to redirect lines on the deck. Footblocks with lockoffs temporarily secure sheets. Either metric or imperial flathead fasteners may be used for mounting and are not exposed. Sideplates and sheaves Hard Lube-anodized for maximum UV protection and a smooth surface. Center cage keeps Torlon ® roller bearings separated and parallel to reduce friction. Torlon is a registered trademark of Solvay Advanced Polymers L.L.C.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":39458426191955,"sku":"HKN-3236","price":1077.84,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tjoOKpkaqiy_-16-13.png?v=1632235083"},{"product_id":"hkn-6081","title":"6081-75mm Stainless Steel Fiddle ESP Block - Swivel, Becket","description":"\u003cp\u003eCruising ESP blocks complement our existing blocks in looks and function, but are simpler in design and construction. Sheaves feature sleeve bearings to handle high static loads and are ideal for halyards or limited purchase systems on cruising boats.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":39458426290259,"sku":"HKN-6081","price":1033.13,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tjoOKpkaqiy_-2-15.png?v=1632235090"},{"product_id":"hkn-3230","title":"3230-75mm Aluminum Loop Block","description":"\u003cp\u003eBlack Magic Air blocks are a top favorite of Big Boat performance racers and cruisers. These lightweight, free-running, powerful performers are used for sail controls that see lots of action: mainsheet, runner, halyard, and spinnaker systems. A center cage keeps Torlon ® roller bearings separated and parallel to reduce friction. The sheave center carries primary load, allowing a smaller, lighter weight block. The soft-attachment Loop block has a removable deadend post for attachment to a padeye. Lashings can also be used. Torlon is a registered trademark of Solvay Advanced Polymers L.L.C.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":39458426388563,"sku":"HKN-3230","price":1011.49,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tjoOKpkaqiy_-7-11.png?v=1632235104"},{"product_id":"hkn-3240","title":"3240-75mm High-Load Padeye Block","description":"\u003cp\u003eTeardrop blocks are ideal as masthead leads and in other applications where limited articulation or direct attachment is desired. When attached to a compatible padeye, teardrop blocks will not hit the deck when lines are slack, but allow enough movement to ensure fairleads when jumping halyards. They are often used on permanent backstays of fractionally rigged boats where the backstay can be spliced directly to the head of the block. Sideplates and sheaves Hard Lube-anodized for maximum UV protection and a smooth surface. Center cage keeps Torlon ® roller bearings separated and parallel to reduce friction. Torlon is a registered trademark of Solvay Advanced Polymers L.L.C.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":39458426421331,"sku":"HKN-3240","price":1011.8,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tjoOKpkaqiy_-12-16.png?v=1632235108"},{"product_id":"hkn-6080","title":"6080-75mm Stainless Steel Fiddle ESP Block - Swivel","description":"\u003cp\u003eCruising ESP blocks complement our existing blocks in looks and function, but are simpler in design and construction. Sheaves feature sleeve bearings to handle high static loads and are ideal for halyards or limited purchase systems on cruising boats.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":39458426650707,"sku":"HKN-6080","price":961.58,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tjoOKpkaqiy_-19-8.png?v=1632235121"},{"product_id":"hkn-1987","title":"1987-75mm Aluminum Flip-Flop Block","description":"\u003cp\u003eThe low-profile Flip-Flop blocks are lightweight and can be used for various leads on your boat including halyard leads, mainsheet leads and spinnaker sheet leads.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":39458426716243,"sku":"HKN-1987","price":933.15,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tjoOKpkaqiy_-11-17.png?v=1632235127"},{"product_id":"hkn-2689","title":"2689-75mm Ratchamatic ® Flip-Flop Block - Cam Cleat","description":"\u003cp\u003eMaximum working loads and breaking loads for blocks based on cam strengths.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":39458426847315,"sku":"HKN-2689","price":919.27,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tjoOKpkaqiy_-10-5.png?v=1632235135"},{"product_id":"hkn-3234","title":"3234-75mm Aluminum Footblock","description":"\u003cp\u003eUse footblocks to redirect lines on the deck. Footblocks with lockoffs temporarily secure sheets. Either metric or imperial flathead fasteners may be used for mounting and are not exposed. Sideplates and sheaves Hard Lube-anodized for maximum UV protection and a smooth surface. Center cage keeps Torlon ® roller bearings separated and parallel to reduce friction. Torlon is a registered trademark of Solvay Advanced Polymers L.L.C.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":39458427174995,"sku":"HKN-3234","price":847.92,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tjoOKpkaqiy_-13-14.png?v=1632235156"},{"product_id":"hkn-2679","title":"2679-75mm Flip-Flop SB Block - Cam Cleat","description":"\u003cp\u003eMaximum working loads and breaking loads for blocks based on cam strengths.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":39458427338835,"sku":"HKN-2679","price":812.19,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tjoOKpkaqiy_-9-5.png?v=1632235180"},{"product_id":"hkn-6072","title":"6072-75mm Stainless Steel ESP Block - Swivel","description":"\u003cp\u003eCruising ESP blocks complement our existing blocks in looks and function, but are simpler in design and construction. Sheaves feature sleeve bearings to handle high static loads and are ideal for halyards or limited purchase systems on cruising boats.\u003c\/p\u003e","brand":"Harken","offers":[{"title":"Default Title","offer_id":39458427994195,"sku":"HKN-6072","price":670.16,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0273\/3031\/4323\/products\/tjoOKpkaqiy_-6-13.png?v=1632235247"}],"url":"https:\/\/www.boatingcentral.com.au\/collections\/75-mm\/sam-allen.oembed","provider":"Boating Central","version":"1.0","type":"link"}