The spalding nba gold in ground basketball system has a strong aluminium frame and is very stable solid and secure because it must be fixed into the ground the backboard is transparent and acrylic and the rim is a pro image breakaway one the u turn lift system lets users adjust the height of the basket easily and the net is durable and all weather the rim height can be altered between 213 and 305cm 84 120 and the system is weatherproof and stainless making it durable it features nba a