![[HK-691] HARKEN 76 mm Narrow Sheave](http://www.yachtparts.com.au/cdn/shop/products/691_79698890-e2ff-46b7-bf34-3706ae4985fc_1024x1024.png?v=1554367657)
![[HK-691] HARKEN 76 mm Narrow Sheave](http://www.yachtparts.com.au/cdn/shop/products/691_79698890-e2ff-46b7-bf34-3706ae4985fc_480x480.png?v=1554367657)
Narrow high-load sheaves in mastheads improve sail handling, speed sail changes, and allow the use of smaller, lighter halyard winches. Sheaves combine sideload-carrying balls with a PTFE composite bushing for radial loads.
Narrow high-load sheaves in mastheads improve sail handling, speed sail changes, and allow the use of smaller, lighter halyard winches. Sheaves combine sideload-carrying balls with a PTFE composite bushing for radial loads.