Harken 4 1/2" Sheave 1" Wide 16 oz. Weight 7500 lb. SWL -
Big Boat sheaves are available for special applications as well as for replacement sheaves in Big Boat blocks. Made of hardcoat-anodized, PTFE-impregnated 6061-T6 aluminum, sheaves feature Torlon® rollers to carry high radial loads and carbon-black Delrin® balls to support sideloads and provide UV protection. Delrin® is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates Torlon® is a registered trademark of Solvay Advanced Polymers.