Lifetime's basketball Anchor Kit is a unique patented anti-flex design using a bolt-down system and a precision leveling feature for Lifetime's Mammoth systems. Four large j-hooks are cemented into a deep hole below ground level with the threaded tops of the hooks sticking up above ground. A steel plate is positioned down onto the hooks and the basketball pole bolted down onto the plate. With Lifetime's basketball Anchor Kit you get the rigidity of an inground system with the convenience of later removal. Lifetime's basketball Anchor Kit minimizes intrusion into the playing area. Get it, install it, and play!