Fiddle Large sheave dia. (in): 3/2 Large sheave dia. (mm): 76/51 Length (in): 8 1/2 Length (mm): 216 Weight (oz): 17 Weight (g): 482 Max. line dia. (in): 9/16 Max. line dia. (mm): 14 Shackle pin dia. (in): 5/16 Shackle pin dia. (mm): 8 Max. working load (lb): 1800 Max. working load (kg): 816 Breaking load (lb): 5000 Breaking load (kg): 2268 Use with: 1541 for 3:1