Previous Product 57 mm Double Block ? Swivel $125.45 57 mm Double Block ? Swivel quantity Add to cart SKU: 2602 Category: 57 mm Carbo Description Description Sheave Ø (mm)57 mm Sheave Ø (in)2 1/4 in Maximum line Ø (mm)10 mm Maximum line Ø (in)3/8 in Maximum working load (kg)720 kg Maximum working load (lb)1584 lb Related products Quick View Quick View 57 mm Carbo57 mm Triple Block ? Swivel, Becket, Cam Cleat $277.50 Add to cart Quick View Quick View 57 mm Carbo57 mm Triple Block ? Swivel $180.20 Add to cart Quick View Quick View 57 mm Carbo57 mm 5-Sheave Block ? Swivel $251.95 Add to cart