The Selden auto ratchet blocks are ideal for dinghy mainsheet and spinnaker sheet block. The block makes it easy to advance your grip and offers the perfect combination of control and convenience for trimming in any sailing conditions.
The sheave automatically changes from free-turning mode to ratchet mode when the load increases. The engagement settings are fully adjustable to suit your local sailing conditions or personal preference.
- 5mm Delrin Ball Bearings
- Carbon reinforced polyetherimide sheave