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 affiliatesTorlon is a registered trademark of Solvay Advanced Polymers L.L.C.
DO NOT use Harken equipment for human suspension unless product is specifically certified and labeled for such use.