Keyless Security: This combination door lock provides convenient keyless security, with 10,000 possible combinations, if you are worried about the combination leaking, you can change the combination at any time, no, so no need to worry about keys. Robust and Durable: This combination lock is made of zinc alloy lock body and strong cylinder, which can withstand harsh weather conditions and violent damage. The combination lock has a highly corrosion resistant anti-rust coating. The handle is also made of solid steel so it won't break or loosen easily. Easy to Install: The door lock with combination lock is easy to install to keep your safe house. The new generation combination lock design adds a hole plug to the sliding part. Installs quickly and easily in minutes. (Note: After the one-way screw is installed, it cannot be disassembled, and the installation position must be confirmed before installation). [Specification]: Size is 120mm x 48 mm x 32 mm and the weight is 326 g. It provides a variety of options for the installer, such as built-in and built-in installation, and the installation position can be easily changed. WIDELY USED: Combination door locks for school or home lockers, sheds, cabinets, window tracks, bedrooms, wine cellars, wooden garden doors, garage and barn doors, etc. . This digital combination lock is a practical product that really gives you peace of mind.