Harken 40mm Carbo Block WIth Becket And Swivel Shackle Head

Harken 40mm ball bearing Carbo single block with a becket and swivel shackle head.
Ultra-high strength-to-weight ratio for high loads. Lightweight composite plastic side plates are UV resistant. High-load ball bearings roll on fitted races for increased load capacity. Open sheave AirBlock design minimises weight.

Typical uses for these blocks: sheets, vangs and major control systems on dinghys and one-design keel boats; traveller controls, outhauls and tweakers on small offshore boats; cunninghams and minor control systems on large offshore cruisers and racers.