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Chinook RDM Mast Shim

RDM Mast Shim

Rubber shim that allows a standard windsurfing boom to fit on an RDM mast (reduced diameter mast). This one is made by Chinook and works great with their older windsurfing booms (the newer models of booms have an integrated shim built in to the front end).  This will NOT work with Maui Sails booms, as it is not tall enough to accommodate the height of that front end.