![Harken 40mm Carbo Air Block w/Swivel [2636] Marine Safety | Personal Flotation Devices Patented access door design allows](https://cdn.shopify.com/s/files/1/0350/0497/3196/files/79074XL.jpg?v=1682746066)
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Patented access door design allows easy access to Thru Hulls
Suggested Mount: U-Bolts included
All components housed in a single compact unit for convenient installation
Base secures to a rail with included hardware
Harken 40mm Carbo Air Block w/Swivel [2636] Marine Safety | Personal Flotation Devices Patented access door design allows40mm Carbo Air Block with Swivel Low friction Carbo Air blocks are lightweight, strong, reliableand affordable. Companions to the popular Harken Black Magic block line, these small, compact blocks have very high working loads for safe, easy trimming. Specifications: Sheave: 40mm 1 9 16in Length: 86mm 3 3 8in Weight: 44g 1. 6oz Shackle pin: 4mm 5 32in Maximum line: 10mm 3 8in Maximum working load: 220kg 485lb Breaking load: 735kg 1620lb