Enjoy years of recreational basketball fun in your backyard with the Spalding residential portable basketball system (model 72307), which features a 37.5-gallon Hercules base that fills with water or sand for stability. It offers a three-piece, 3.5-inch diameter silver pole and EZ Touch lift system providing accurate height adjustment from 7.5 feet to 10 feet. It"s matched with a 52-inch steel-framed acrylic backboard, 5/8-inch solid steel Pro-Slam breakaway rim, and all-weather net.