Harken 57mm Quad Block Swivel, Center Becket [HSB380] Marine Hardware | Hooks & Clamps UPC: 632085083861

UPC: 632085083861

NMMA Type Accepted #2577064

Housing: Stainless

corrosive salt air and constant vibration: these lamps are impervious to the marine environment

Harken 57mm Quad Block Swivel, Center Becket [HSB380] Marine Hardware | Hooks & Clamps UPC: 63208508386157mm Quad Block Swivel, Center Becket Low friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to our popular Harken Big Boat blocks, these small, compact blocks have very high working loads for safe, easy trimming. Features: Sheave (mm) 57 mm Sheave (in) 2 1 4 in Maximum line (mm) 10 mm Maximum line (in) 7 16 in Maximum working load (kg) 1080 kg Maximum working load (lb) 2380 lb