Hey Rad. DO NOT buy the Big Air tower. It is a bolt together erector set. We dckd around with it for well over a day and it still never looked right. It's all bolted together with about 20 bolts and pins. It very difficult to line up on the boat. One of the rear leg pins was 1/4" off, so the rear leg sticks out more than the other. I have installed a couple of Monster towers for some friends. Looks better, easier installation, better design. Put the Monster together on the floor and put it together. Set it on the back deck of the boat with a friend (cover your upholstery!!) Screw in the rear legs with the knobs into the bases you mounted. With 2 guys walk it forward and put in the front knobs in the bases. The "molly" bolts on the top are important because it tightens it up. It takes quite a while to drill the holes through the aluminum for those. Follow all the instructions. Good luck.
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