Ronstan Series 100 Single Orbit Block XX Clutches Height: 3/4 in

Height: 3/4 in

Length- 3 35/64 inch

Pitch=100mm Fastening slugs=31

1/2 zip opening

Diameter - 3/16" (5mm)

Ronstan Series 100 Single Orbit Block XX Clutches Height: 3/4 inProduct Description Ronstan Series 100 Single Orbit Block Product Information Orbit blocks are a no compromise product range developed to meet the demands and expectation 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 eliminating the need