Ronstan Orbit Blocks - Series 100 - Single, Swivel Eye For Stand Up classicboat Self primes to 3

Self primes to 3

Multi Hole pattern where it bolts onto harmonic balancer

so if you have strong currents you may wish to stay with the paddle wheel

1/2" -  (12mm)

Ronstan Orbit Blocks - Series 100 - Single, Swivel Eye For Stand Up classicboat Self primes to 3The 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