Lifetime Height Adjustable Basketball System, 54 inch Shatterproof Backboard Durable in-ground basketball goal designed for rugged, high-intensity play 54-inch pro-look backboard made of sturdy Makrolon polycarbonate for shatter-proof action Power Lift Height Adjustment Mechanism easily adjusts from 7.5 to 10 feet using one hand Slam-It Pro Rim with double-compression springs for dunking; all-weather nylon net Blow-molded backboard frame pad for protection; Backed by a 5-Year Limited Manufacturer Warranty Durable in-ground basketball goal designed for rugged, high-intensity play 54-inch pro-look backboard made of sturdy Makrolon polycarbonate for shatter-proof action Power Lift pole raises or lowers rim from 7-1/2 to 10 feet in infinite increments Slam-It Pro Rim with double-compression springs for dunking; all-weather nylon net Blow-molded backboard frame for protection; fixes in ground with cement; 5-year warranty