![Harken 57mm Quad Block Swivel, Center Becket [HSB380] Brand_Scanstrut 410 and ISO 8846 MARINE](https://cdn.shopify.com/s/files/1/1592/4149/products/88765XL.jpg?v=1636048377)
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410 and ISO 8846 MARINE for Ignition Protection
Large push-button for comfortable operation
5" Stiff Cleaning Brush - Green
Boaters can also set high and low temperature alarms for audible alerts to temperature fl uctuations or hard temperature edges
Voluntary fit vessels will also benefit by carrying a SART
Harken 57mm Quad Block Swivel, Center Becket [HSB380] Brand_Scanstrut 410 and ISO 8846 MARINE57mm 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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