Spalding 48-inch Eco Composite Fan Backboard/Rim Combo Unit Fan-shaped Eco-Composite backboard measures 48 inches wideMade from recycled materials; fits on round and square poles5/8-inch solid steel Slam Jam breakaway rim with ultra-smooth spring actionIncludes all-weather white netFive-year limited warranty 48" Eco-Composite fan backboard; solid steel Slam Jam breakaway rim; white all-weather net; fits round or square polesEnjoy years of backyard hoops action with the affordable and environmentally friendly Spalding Eco-Composite backboard/rim combo (model 80348), which is designed to fit on both round and square poles. Measuring 48 inches wide, this fan-shaped backboard is made from recycled materials and provides a true rebound. It's matched with a 5/8-inch solid steel Slam Jam breakaway rim with ultra-smooth spring action and an all-weather net. Mounting