The Spalding 66355 features a 50" steel framed acrylic backboard with authentic style board pads. The ExactaHeight lift system adjusts rim height from 7.5' to 10' in 6" increments. The system features a 2-wheel, 34-gallon base that can be filled with sand or water to provide maximum stability and safety. The front cover of the system also acts as a rebounder during play. The system also has a 3 piece, 3.5" round pole set at a 20 degree angle from the base.