Ronstan Orbit Blocks - Series 150 - Single Foot Block lever Mainsheet fine tune systems on

Mainsheet fine tune systems on sportsboats & small keel boats

The flaps are compatible with clamp-on type outlets ranging from 60mm to 80mm

Nylon insert helps prevent nut from coming undone

With larger diameter tube

no sharp corners and better appearance

Ronstan Orbit Blocks - Series 150 - Single Foot Block lever Mainsheet fine tune systems onThe highest strength to weight ratio Minimal friction loss, especially when working at high loads Totally reliable and trouble free performance Simplicity of design and construction to facilitate maintenance and servicing Elegant, functional styling and finish Orbit blocks are a no compromise product range developed to meet the demands and expectations of the very dedicated and increasingly professional racing sailor. Side cheeks incorporating head