DESIGNLow resistance sliding design for quick locking. Press the button to open , non-touch to unlock, to avoids accidental touch unlock., improve operational ty MATERIAL-The long concealed slide lock is made of zinc alloy, wear-proof ADVANTAGE-The door latch features automatic holding sp to provide tension for both retracted and projected positions APPLICATIONS-The lock is se the opening for composite door, french door, patio door, wood door, double or other doors Widely used device for providing safety and privacy, mainly used for bedroom doors, closets, bathrooms, dog houses, lofts, chicken coops, and barn doors. Installing a sliding latch lock on your