In-ground basketball hoop lets you set up a dedicated court in your own backyard 50" x 30" steel-framed polycarbonate backboard ensures solid rebounds Slam Jam breakaway rim is built to handle your most powerful dunks 3.5" round steel pole with plastic ground sleeve boasts a 16" offset from the pole to the edge of the backboard Ratchet lift system lets you adjust the height from 8' to 10' in 4" increments