Harken
57mm ESP Low Load Mast Collar Sheave dia. (in): 2 1/4 Sheave dia. (mm): 57 Length (in): 4 5/8 Length (mm): 117 Weight (oz): 4 Weight (g): 113 Clevis pin dia. (in): 1/4 Clevis pin dia. (mm): 6 Max. line dia. (in): 5/8 Max. line dia.