The new 8550 Endurance Slam Goal is the toughest rim for hard hitting players. Uninterrupted wing brace design with the Endurance no tie net system ensure net security. Goal is powder coated to protect from environmental elements. Unique double rimmed, 34' top ring and 34' bottom ring make it the strongest double rimmed goal in the industry. Universal back plate accommodates 42' and 48' rectangular and fan shaped backboards. Includes net and mounting hardware. Recommended Backboards Glass and Non Glass. For outdoor use Anti whip net Unconditional Lifetime Warranty 5' x 5' Hole Spacing