![[HK-550] HARKEN 102 mm Big Boat Sheave](http://www.yachtparts.com.au/cdn/shop/products/550_7b5be0a3-172d-4d13-a4fb-6b4a6ca6233a_1024x1024.png?v=1554367640)
![[HK-550] HARKEN 102 mm Big Boat Sheave](http://www.yachtparts.com.au/cdn/shop/products/550_7b5be0a3-172d-4d13-a4fb-6b4a6ca6233a_480x480.png?v=1554367640)
Big Boat sheaves are available for special applicationsas well as for replacement sheaves in Big Boat blocks.Made of hardcoat-anodized, PTFE-impregnated6061-T6 aluminum, sheaves feature Torlon® rollers tocarry high radial loads and carbon-black Delrin® ballsto 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.