Harken 40mm Carbo Air Double Swivel Block w/Becket [2639] Marine Plumbing & Ventilation | Impellers Built to withstand harsh environments

Built to withstand harsh environments

and off-grid applications

Attach the pad to the polisher

and Lowrance autopilot

Harken 40mm Carbo Air Double Swivel Block w/Becket [2639] Marine Plumbing & Ventilation | Impellers Built to withstand harsh environments40mm Carbo Air Double Swivel Block with Becket 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)