Harken 57mm Quad Block Swivel, Center Becket [HSB380] Brand_Digital Antenna NAVDoctor’s simple web interface displays

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completely sealed without the use of gaskets

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QM: EN 9001:2015

Harken 57mm Quad Block Swivel, Center Becket [HSB380] Brand_Digital Antenna NAVDoctor’s simple web interface displays57mm 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