Barefoot International's Tower Boom is a proven progressive training method that opens the sport to all abilities with comfort and safety. With the Tower Boom you can learn at slower boat speeds and expect quick results. Universal mounting designed to fit most towers and cages. Features aircraft aluminum construction with dual cables for backup, strong cable clamp and release pin. Height adjustment for multiple users. Folding/adjustable telescopic design makes it easy to install or remove quickly. Telescopes and folds down to 48".