【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 worry about password leakage, so there is no need to bother with keys. 【Strong and Durable】: This combination lock is made of zinc alloy lock body and strong locking cylinder that can withstand harsh weather conditions and violent damage. Combination locks have anti-rust coating that provides strong resistance to corrosion. 【Easy Installation】: This password lock is easy to install, can reset any standard lever lock, and can be programmed in non-resettable mode. 【Widely Used】: Combination door lock for school or home lockers, sheds, cabinets, window tracks, bedrooms, wine cellars, wooden garden doors, garages and barn doors, etc. This digital combination lock is a practical product that really brings you peace of mind. of mind. Details: Material: Zinc alloy. Color: Black. Type: A: 2-hole screw installation.