and keep ahead of the competition. The tooth design of the cleat allows a quick, positive lock that is easy to release. The alloy cleat is fitted onto the boom by a strap that allows you to personalise the position, a rubber packing piece accomodates tapered or oval tubes. Supplied complete with everything you need to fit the cleat to a boom including 2 sizes of clamp to fit tube sizes from 110-116mm circumference. Stainless steel screws included.