Lifetime 73729 48 in. Shatter Proof Backboard Rim Combo 48" Steel framed shatterproof backboard is weather resistant with added rigidity for improved rebound Can be mounted on a wall, roof, eave, or pole using a universal mounting bracket; Mounting bracket sold separately 18 in. (45.7 cm) Orange Slam-It Pro rim of 5/8 in. (1.5 cm) solid steel with 1/2 in. (1.3 cm) steel wrap-around bracing and double-compression springs, includes 5.3 oz. (150g) all-weather net Fade-resistant graphics designed for indoor and outdoor user Backed by a 5-year limited manufacturer warranty 48 x 30 x 1 Steel-Framed Shatterproof Backboard Steel Framed with Blow Molded Frame Pad 18" Slam-It Rim is build with a 5/8-inch ring of solid steel, with 1/2" steel braces & double compression springs let you slam it like a pro! Universal Extension Mounting Bracket for Roof, eave or wall placement Mounting kit sold separately Shatterproof polycarbonate playing surface gives you the look and play of pro-style glass