PIUMA CLIC 57mm composite ratchet block Size_57mm Allen mast deck chocks feature

Allen mast deck chocks feature a soft nylon side that can be trimmed with a knife to suit the width of your mast slot

If you can't match both of these criteria

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These carbon fibre ballbearing jammers are a lighter alternative to the aluminium version

Overall height: 58 mm (2 9/32")

PIUMA CLIC 57mm composite ratchet block Size_57mm Allen mast deck chocks featureAll Viadana composite ball bearing blocks are extremely light and strong, making them perfect for use on dinghies and keelboats for a performance edge. All composite ball bearing blocks have composite cheeks, Delrin sheaves and twin race ball bearings, with stainless steel rivets, and include shackles as pictured. Viadana ratchet blocks feature innovative hard coat and PTFE anodised aluminium sheaves with rope gripping geometry. Single block without