This Backboard Brace is an essential part of any basketball hoop. This simple piece is easy to install, and fits all of our basketball posts and backboards (both rectangular and fan-shaped). The brace consists of two extremely strong 15 gauge galvanized metal bars with a one inch outer diameter. These fortify the backboard by redistributing any force on it throughout the post, instead of having a single point absorb the full impact. This makes it much more sturdy and resilient to things like rough play, misuse, or natural wear and tear. The two 21” long metal bars are connected to the post with a pipe clamp. This Basketball Backboard Brace comes with a pipe clamp that fits your choice of either a 3.5” post (SKU: 542-558) or a 4.5” post (SKU: 542-353). Now you will never again have to worry about your basketball hoop accidentally being destroyed by epic slam dunks.