The Bison 3-1/2'' gooseneck economy playground basketball system is a great value for playground use. Bison's Tough Duty 3-1/2" gooseneck pole provides 3' of safe play area and must be buried 36" in the ground. Features a direct 5" x 5" goal mount and includes heavy-duty 1-5/8" braces to support the backboard. Aluminum backboard has an official shooter’s square and orange border on cast aluminum with a white powder coated finish. Will never rust, even in the wettest climates! Backboard has a 5" x 5" goal mounting hole pattern and heavy support ribs which require a direct mount. Standard front mount competition goal has a universal backplate that will mount to virtually all boards, including institutional and home backboards. Features a 1/2" reinforcing bar that is computer engineered for maximum support. High-penetration, continuous welded joints and netlocks make this goal extremely durable.