The Spalding 88454G in-ground system features a 54"x32" steel framed tempered glass backboard for superior rebound. The backboard has a 1"x1" steel frame and features a Pro Image rim with institutional style wrap. The U-Turn Lift system provides infinite height adjustment from 7" to 10". The pole is 2 pieces and 4" square. The system includes a ground sleeve for easy installation and removal.