Cast Aluminum Wakeboard Tower Speaker Clamps. 360° rotational mounting capability for unlimited flexibility. Quick release design for security and cleaning. Two rubberized inserts to fit various bar sizes. Accomodates 1″ to 2″ Diameter Tubing. Fits PM2652W-MB and RM1652W-MB. You will be issued a Return Authorization Number. In order to maintain an inventory of 100%, Brand New, A-Stock, untouched products, all sales are final. We ask that you please be sure you are ordering the correct product.