This door latch is designed for wood or metal doors swinging in and out, uses gravity latch to provide high security for pets, babies and plants by preventing predators from entering your yard. This heavy-duty latch is constructed of heavy-gauge steel with a matte black powder coat finish, resists rust and has a long life indoors and outdoors. Our wooden fence latch features a quick-locking system that works without wires just your finger or thumb. The locking bar can be mounted on the left or on the right. The kit comes complete with all parts and accessories, including 6 black steel screws for easy installation. The 4.7 inch lever has self-closing and is compatible with all types of gates exterior side doors large and small, including wood, metal, wrought iron, vinyl, and PVC. Use the self-latching door opener on any decorative door in your garden, on your patio, baby gate, privacy fence, or even on a chicken coop door. It can also be used with an ordinary padlock (not included) for added security.