Easily adjust the height of your basketball hoop to accommodate players of all sizes with the Spalding U-Turn lift system. It connects your backboard to a 3.5" round pole, 4" round pole, roof or wall. This basketball lift system is made of sturdy steel, and it offers a 3" height adjustment range. It fits all Huffy Sports, Spaulding and most other residential backboards that are up to 54" wide. Assembly required