Package Includes: (1) Pair of Rockville MAC90B 8 Black Aluminum Wakeboard Tower Speaker Pod Enclosures. (1) Pair of MacSwivelB 360 Degree Rotation Swivel Clamp Mounts for Rockville Tower Pods. What's In The Box: 2 Wakeboard Cans. All mounting hardware. (2) 2.375 rubber inserts. (2) 2.25 rubber inserts. (2) 2.5 rubber inserts. (2) 2 rubber inserts. Features: Pair Rockville MAC90B 8 Black Aluminum Wakeboard Tower Speaker Enclosures. Made of high quality 6061 aircraft grade aluminum Beautiful black powder-coat finish. 100% waterproof and fully marinized against salt and fresh water conditions. Internally wired for clean installno exposed wires or terminals. High efficiency design features the perfect airspace for 8 speakers. Rugged universal mounting clamps made of 6061 aluminum. Includes precision molded, high impact plastic inserts for tower fitment from 2 diameter to 2.5 diameter. Mounting Depth - 7.67". Total Depth - 11". Cutout - 7.3". Diameter - 8.97". Mounting diameter - TBD. Height of mount - 3.75". Total height of unit - 12.3". Fits Speakers Such As: Rockford Fosgate Punch PM282H/PM282B. Pioneer TS-MR2040. MB Quart NK1-120L. Wet Sounds XS-808/SW808/Revo-8. AND MORE!. Includes: (2) 2.5 marine grade aluminum clamps. (2) aluminum swivel blocks. (2) aluminum clamp bases. (2) Stainless steel hand knobs. Rubber inserts for 1.75, 2, 2.25, 2.375 diameter Bars. All necessary mounting hardware (bolts, socket keys). Features: Rockville MacSwivelB 360 Degree Rotational Swivel Clamp Mount for Mac69/80/90 Pods. Pair Black marine grade aluminum clamps. Designed for use with MAC525, MAC65, MAC69, MAC80, MAC90 speaker pods. Aircraft grade aluminum construction. Rubber inserts for 1.75, 2, 2.25, 2.375 diameter Bars. 360 degree rotational mounting capability for complete and unlimited flexibility. Stainless steel quick release hand knobs for adjustment and security. Includes all necessary mounting hardware Specifications: Shipping box dimensions: 2.75 x 8.26 x 8.26. Product weight: 3.75 lbs. Clamp size: 2.5