Hand crank moves this 54" x 36" acrylic backboard with ease. Full 1/2" thick backboard looks and plays much like higher priced glass systems. Easy-to-operate removable hand crank adjusts goal height from official 10" to as low as 7-1/2" for play by kids of all ages. Competition design breakaway goal and direct goal mount design makes backboard virtually unbreakable during normal play. Steel structure mounts to wall by means of three load spreading struts. Customer provides wall mounting anchors. Mounts indoors/outdoors and has 30" safe play area at 10". CAUTION: Purchaser assumes all responsibility for determining suitability of wall to support all wall mounted basketball systems and selection and installation of wall mounting anchors.