Regulation glass backboard for professional collegiate and international competitionDirect goal mount designed to prevent the goal from touching the glassCompatible with Wall-Braced and Ceiling-SuspendedStandard Perimeter StrongbackGoal mounting patterns: 5 x 5 (413-000) 5 x 4 (413-001)Backboard mounting patterns: 42 x 63(413-000) 36 x 63 (413-001)