They come with a universal lock that mates with any sliding glass door.
Manufactured by High Tech Pet, the world leader in ingenious pet products. Armor Flex patio pet doors are the most secure and most energy efficient pet doors for sliding glass door installation. These super high-quality units are constructed with a heavy-duty, all aluminum frame, double pane, Low-E glass and all stainless-steel hardware. These beautiful pet doors install in just minutes in virtually any sliding glass door frame.