Specifications Length: 5.0 cm Width: 3.5 cm Shape: Dot High-quality material: The door lock is made of high-quality aluminum alloy, stable and durable, not easily rusted. With a loaded spring and pull ring, it is simple, safe, and durable. Not easily bent or deformed after long-term use. It is the perfect lock for your home, your farm, or your door. HIGH SECURITY: The door lock is upgraded from the old door lock, twice as strong as regular screws, ensuring your security and privacy. Enhanced security protection for your interior door closet. Easy to install: Align the dead bolt with the door and the frame, then mark a dot with a pen. Drill holes in the frame and door, and then screw them into the wood with the included screws. The installation process is very simple and easy to use. Wide application: The sliding door lock can be applied to doors, wooden doors, windows, drawers, cabinets, fences, dog enclosures, bathrooms, toilets, bars, and other places, suitable for all decoration styles. Quality assurance: Our products have undergone professional high-quality testing and are made of high-quality solid aluminum alloy without any chemical components, so you can use them with confidence.