Product Description Success Is Within Reach For Everyone. This Competition System features an adjustable height up to 10 (3m) and is easy with gas-assisted spring, hand-controlled adjuster. No cranking. High-impact, 54 x 33 (137.2cm x 3.8cm) clear acrylic backboard has steel frame support. Includes break-away rim on a 4 (10.2cm) round pole. Fill the 42-gallon (159L) base with water or sand. Includes backboard pad.