HARKEN 75 mm Carbo Block - Swivel, Becket, 2661 Category_Deck Organizers & Fairleads They feature a precision two-stage

They feature a precision two-stage bearing system for better durability

and ratchet assemblies

The 90mm single block is a workhorse and can be used in a wide range of applications

Delrin sheave and ball bearings

They feature more bearings than comparable winches and have wide-diameter spindles to minimize friction

HARKEN 75 mm Carbo Block - Swivel, Becket, 2661 Category_Deck Organizers & Fairleads They feature a precision two-stageThe Harken 75mm Carbo Air Single Block includes an integral becket that allows either a 2: 1 or 3: 1 purchase. Low friction Carbo AirBlocks are lightweight, strong, reliable, and economical. Consistently 30% lighter and 60% stronger than equivalent Classic blocks. The sideplates are UV stabilized, high strength resin and designed for small diameter lines favored by racers. Good for jib and mainsheet systems on high performance dinghies, and for high