The Outer Limit Pro has been used exclusively in all NBA Arenas since the 1985-86 season. It is the symbol of the unmatched quality, pride and craftsmanship we infuse in every product we make. 42′ X 72′ backboard. Hole spacing is 5′ x 4 1/2′. 1/2′ tempered glass and one piece welded aluminum frame overlay. Used in all NBA arenas since the 1985-86 season Reinforced with a strut system, making it the strongest backboard available today 6′ of additional clearance helps reduce potential head and hand injury Strongest tubular aluminum framing supporting glass means greater board strength and has rounded corners for visual appeal Recommended for indoor, pro and college level play Meets NBA, NCA and NFHS specifications. Framed is pre-drilled for bolt-on padding. Lifetime warranty Please note that the goal is not included with the backboard. The manufacturer recommends the Snap Back Goal , the Gared Master 3000 or the Collegiate 2000+ Breakaway Goal . The manufacturer also suggests t