Spalding 88354 In-Ground Basketball System with 48-Inch PolyCarbonate Backboard 48-inch PolyCarbonate backboard; 5/8-inch heavy duty solid steel Slam Jam breakaway rim w/all-weather net; Exacta Height lift; 3-piece 3 1/2-inch pole system; ground sleeve for easy installation 48-inch PolyCarbonate backboard 5/8-inch heavy duty solid steel Slam Jam breadaway rim w/white allweather net Exacta Height lift system adjusts height in 6-inch increments from 7.5' - 10'