Description: MacSwivelB. Rockville is proud to introduce a new accessory which is the perfect addition to our line of aluminum wakeboard cans. The Rockville MacSwivelB 360 Degree Rotation Swivel Clamps allow for precise positioning of each wakeboard tower speaker pod to not only optimize the sound in your ride, but also allows for placement of the speaker cans in areas which otherwise were prohibitive. . The Mac Swivel clamps come with stainless steel quick release hand knobs making the tightening and loosening of the clamps a breeze! If you want to adjust the placement or positioning of the speaker cans you no longer need a tool to do this. You simply hand loosen, adjust and then tighten and your all set. Its as easy as that! . These clamps are manufactured with high quality aircraft grade aluminum making them extremely durable and able to withstand the most extreme conditions. Our clamps also come with rubber inserts designed to fit the most popular size bars. For the audio enthusiast who needs complete and unlimited flexibility when it comes to the sound in your ride the Rockville MacSwivelB is sure to be the perfect addition to your Wakeboard Speaker pods.