Hydraulic SureClose® Gate Closers & Hinges are designed to replace conventional, bulky commercial gate hinges and closers. These strong and sturdy hinge-closers provide smooth, bind-free performance. Superb engineering and patented design allow clever concealment of the hydraulics in a remarkably small housing. It’s remarkably simple for a commercial-style gate closer product. All SureClose® Hinges and Closers are made of high-grade Aluminum. Optional, L-shaped steel mounting brackets can either be welded or fastened to appropriate gate frames and posts