Ronstan Series 100 Single Orbit Block Hull Deck Hardware Club FJ replacement base (X-BASE) and replacement

replacement base (X-BASE) and replacement handle (X-HDL)

Stop holes – 50mm (1 31/32") centres

7 Series Cheek Block with Stainless Steel cheek

Sized for snap shackles up to Tylaska T-20

Ronstan Series 100 Single Orbit Block Hull Deck Hardware Club FJ replacement base (X-BASE) and replacementProduct 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