Description
Low-profile mastbase halyard lead blocks are lightweight and can be grouped in a small area at the mastbase.
Sheave Ø(mm)57 mm
Sheave Ø(in)2 1/4 in
Length (mm)81 mm
Length (in)3 3/16 in
Width (mm)35 mm
Width (in)1 3/8 in
Height (mm)73 mm
Height (in)2 7/8 in
Weight (g)175 g
Weight (oz)6.2 oz
Maximum line Ø(mm)10 mm
Maximum line Ø(in) 3/8 in
Number of fasteners3
Fasteners (mm)6 FH mm
Fasteners (in)1/4 FH in
Maximum working load (kg)1136 kg
Maximum working load (lb)2500 lb
Breaking load (lb)5000 lb
Breaking load (kg)2273 kg
Sheave Ø(in)2 1/4 in
Length (mm)81 mm
Length (in)3 3/16 in
Width (mm)35 mm
Width (in)1 3/8 in
Height (mm)73 mm
Height (in)2 7/8 in
Weight (g)175 g
Weight (oz)6.2 oz
Maximum line Ø(mm)10 mm
Maximum line Ø(in) 3/8 in
Number of fasteners3
Fasteners (mm)6 FH mm
Fasteners (in)1/4 FH in
Maximum working load (kg)1136 kg
Maximum working load (lb)2500 lb
Breaking load (lb)5000 lb
Breaking load (kg)2273 kg
Product Details
We usually dispatch within 2–8 days.
In a hurry? If the item’s in stock, we might be able to send it out the same day — just let us know.
Not the Right Fit? We’ve Got You.
If your boating gear isn’t quite right — in size, fit, or feel — you can return it within 30 days for a full refund or exchange. No stress, no risk.