Harken 40mm Carbo Air Double Swivel Block [2638] Marine Plumbing & Ventilation | Impellers Useful as a back-up pump

Useful as a back-up pump or for a simple freshwater supply pump

Sealed switch mechanism resists moisture

Designed for use with a high-speed

oil-rubbed finishes

Harken 40mm Carbo Air Double Swivel Block [2638] Marine Plumbing & Ventilation | Impellers Useful as a back-up pump40mm 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)