Portable basketball system features an angled pole for convenient placement virtually anywhere 54" x 32" steel-frame backboard with 4mm-thick acrylic ensures solid rebounds 5/8" solid steel PRO-SLAM breakaway rim with steel rams and a spring cover is built for your most powerful dunks 3.5" three-piece round steel pole features a 16" offset from the pole to the edge of the backboard EXACTA-HEIGHT lift system lets you adjust the height from 7.5' to 10' in 6" increments HERCULES base holds up to 37 gallons of water or up to 400 pounds of sand