![Harken 40mm Carbo Air Double Swivel Block [2638] Marine Plumbing & Ventilation | Livewell Pumps Eliminates the Need for an](https://cdn.shopify.com/s/files/1/0703/9831/2605/files/79734XL.jpg?v=1740543211)
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Eliminates the Need for an Isolator
even in the roughest seas
4:1 shrink ratio tubing to ensure a watertight seal between wires
Blades Flex under load
Its speed capabilities include displays of current speed
Harken 40mm Carbo Air Double Swivel Block [2638] Marine Plumbing & Ventilation | Livewell Pumps Eliminates the Need for an40mm Carbo Air Double Swivel Block 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 (mm)40 mm Sheave (in)1 9 16 in Maximum line (mm)10 mm Maximum line (in)3 8 in Maximum working load (kg)440 kg Maximum working load (lb)970 lb Quick Guide (pdf)
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