![[HK-519] HARKEN 140 mm Sheave](http://www.yachtparts.com.au/cdn/shop/products/519_3454b741-2df7-4928-bf44-ece2b6e538ae_1024x1024.png?v=1554367636)
![[HK-519] HARKEN 140 mm Sheave](http://www.yachtparts.com.au/cdn/shop/products/519_3454b741-2df7-4928-bf44-ece2b6e538ae_480x480.png?v=1554367636)
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.