The Spalding 68448 Portable Basketball Hoop with 54 Inch Acrylic Backboard features a three piece 4 inch pole, a 54 Inch acrylic basketball backboard with 1 Inch steel frame and backboard pad and the Pro Slam breakaway basketball rim. The Spalding 68448 basketball system adjusts from 7.5 feet to 10 feet with an easy to use Helix height adjustment system. Simply squeeze the handle and raise or lower the height of the basketball goal.