Keyless Security: This combination door lock provides convenient keyless security, there are 10,000 possible combinations, you can change the combination at any time if you are worried about password leaking, so there is no need to bother with keys. STRONG AND DURABLE: This combination lock is made of a zinc alloy lock body and a strong locking cylinder that can withstand harsh weather conditions and heavy damage. The combination locks have a rust-proof coating that provides strong corrosion resistance. The handle is also made of solid steel which is not easy to break or loosen. Easy Installation: Door locks with combination lock are easy to install and keep your home safe. A new generation of combination lock design with additional hole plugs on the sliding part. Installs in minutes, easily and quickly. (Note: Once the one-way screw is installed, it cannot be removed, and the installation position must be confirmed before installation). Widely Used: Combination door lock for school or house lockers, sheds, cabinets, window tracks, bedrooms, wine cellars, wooden garden doors, garages and barn doors, etc. Note: The data is all manually measured, please allow 1-3cm error, due to the difference in light and display, there will be a certain color difference, the actual object received shall prevail.