Each wakeboard rack is equipped with a quick release mounting system which allows you to remove the rack without tools for security purposes, when trailering, or when docking in a tight slip. A nylon collar bushing protects the tower and like almost all of our products makes the wakeboard rack universal. Each rack is shipped standard with our universal tower inserts which is a set of various sized collars for you to fit the rack to ANY tower 41 mm (1 5/8″) to 63 mm (2.5″) diameter!