The 2835-Adapter for Lockey USA’s 2835 mechanical keyless locks installs in minutes without welding on vinyl and ornamental gates 1.75-inches to 5-inches thick, without needing a gate box, welding, or an extension kit. The 2835-Adapter is made with glass-filled nylon outer housing and zinc alloy plate to handle all climates and offers a slip clutch design, which means no damage to the lock if the handle is pushed in a downward motion. It is also Reversible for left and right-hand gates.