Harken Sheave - Big Boat - Wide Sheave - Sheave Dia: 2 1/2 in (64.0 mm)

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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 L.L.C. Our Part # HAR1539 | Mfr. Part # 1539 Show more