![Harken 57mm Quad Block Swivel, Center Becket [HSB380] Marine Hardware | Hooks & Clamps Utilizing NMEA-0183 interface external sensors](https://cdn.shopify.com/s/files/1/0614/9655/7734/products/88765XL.jpg?v=1656211580)
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Utilizing NMEA-0183 interface external sensors can easily be connected for simple and reliable operation
completely analog engines
Roller Bunk Mounting Bracket - 11"
Grade 316 Stainless Steel fittings
Harken 57mm Quad Block Swivel, Center Becket [HSB380] Marine Hardware | Hooks & Clamps Utilizing NMEA-0183 interface external sensors57mm 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
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