Big Boat sheaves are available for special applications as well as for replacement sheaves in Big Boat blocks. Made of Hardkote-anodized, Teflon�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. Select sheaves based on load-carrying capability. Installation requires clamping or securing inner race
Big Boat Sheaves & Harken Sailing Solutions & 1539