Harken
57 mm Flip-Flop Block Sheave dia. (in): 2 1/4 Sheave dia. (mm): 57 Width (in): 2 1/4 Width (mm): 57 Length (in): 4 3/8 Length (mm): 111 Height (in): 2 7/8 Height (mm): 73 Max. line dia. (in): 3/8 Max. line dia. (mm): 10 Weight (oz)