Ronstan Series 100 Orbit Block, Single, Universal Head 2" Tubing Sheave Dia:

Sheave Dia:

7oz) per extra sheave

Alloy car body

• Lubber lines: 3 lubber lines

Cuffs: 60% Neoprene / 40% Nylon

Ronstan Series 100 Orbit Block, Single, Universal Head 2" Tubing Sheave Dia:Product Description Ronstan Series 100 Orbit Block, Single, Universal Head Product Information 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 structure and hub are precision machined as a single part from solid alloy, leaving material only where it contributes to the load carrying capacity of the block and