Lockey® Digital Systems, Inc. now offers the 2835DC. This back to back lever door lock application makes entrance and exit simple with a release of the lever. A by-pass function lock allows the door to be unlocked whenever desired and locked as necessary. The 2835 DC is for a single prep replacing the existing door knob, with easy-to-change combination and reversible handing. For maximum security on your pool gate, fence or any door where a double combination is necessary, get the 2835DC today. Also available are steel and aluminum gate boxes. Furthermore, the 2835 is offered as a single sided combination application. Call 989-773-2363 or visit www.lockeyusa.com.