Three-piece 3-1/2" sq post uses the simple and reliable Exacta-Height™ push-pin lift system to adjust goal in 6" increments. Simply push on the lift handle with one hand while removing the pin with the other, adjust to the desired height, then insert the pin. Includes a 54" acrylic backboard with steel frame and 5/8" Pro Slam™ breakaway rim. Two-wheel 34-gallon base rolls easily and features built-in rebounder; requires 300 lb of sand or water for stability. Assembly required. 112 lb.