80 mm Roller Bearing Block - Single, Swivel, Becket, Stand Up Kit It features an acetal sheave

It features an acetal sheave

This way a retrofit upgrade to new tracks can be made without drilling new holes in deck as the fasteners are located according to the existing bolt holes

enabling the shackle to be fixed in either 0° or 90°

Efficiently adjust your traveler position with the Main Sheet Car/Toggle for System 15

System 22 is used for keelboats and smaller yachts

80 mm Roller Bearing Block - Single, Swivel, Becket, Stand Up Kit It features an acetal sheaveThe RBB80 Single Stand Up Becket Block is designed for heavy duty, high load applications. Featuring a 80 mm sheave, the block is made from machined black anodized aluminium with Torlon roller bearings for maximum performance under load. The stainless stand up base and spring ensures optimal positioning and polymer thrust bearings provide resistance to side loads. A polymer washer insulates stainless steel from aluminium to prevent corrosion. Ideal