Ronstan Orbit Blocks - Series 150 - Single Universal Head ronstan series 20 exit box - ball bearing single cover plate 2 1/2" (63mm) 3" (76mm)

2 1/2" (63mm) 3" (76mm) 3 1/2" (89mm) 4" (102mm)

Wiring hole 13mm diameter

Ideal for boats

collapsing to just 53cm in length yet extending up to 1

Ronstan Orbit Blocks - Series 150 - Single Universal Head ronstan series 20 exit box - ball bearing single cover plate 2 1/2" (63mm) 3" (76mm)The 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