One of the best training tools for learning to wakeboard, ski, slalom, or barefoot, the Tower Boom converts any family inboard or sterndrive boat into the ultimate watersports tow boat. An adjustable clamp and two arms attach to the tower, while two plastic-covered stainless steel cables secure the Tower Boom to the boat's bow eye for maximum strength and support. Manufactured from top-quality 6061 T6 aluminum, the Tower Boom is designed to fit 2-1/4" to 2-1/2" diameter towers and cages. Offers a height adjustment to fit everyone. | Barefoot International Fly High Pro X Deluxe Tower Boom, fits 2-1/4" - 2-1/2" dia. tube | The House