Keyless Security: This combination lock offers convenient keyless security with 10,000 possible combinations. You can change the combination at any time if you're worried about your password being leaked, so you don't have to worry about losing your keys. Sturdy and Durable: This combination lock is made of a zinc alloy lock body and a solid lock core that can withstand harsh weather conditions and damage. The combination lock features an anti-rust coating and is highly corrosion-resistant. Easy to Install: This combination lock is easy to install, resettable to any standard cam lock, and can be programmed in non-resettable mode. Widely Used: Used for school or home lockers, sheds, cabinets, window rails, bedrooms, basements, wooden combination door locks, garden doors, garage and barn doors, etc. This digital combination lock is a practical product. It truly gives you security. Details: Material: Zinc alloy. Color: Black (optional) Type: A: 2-hole screw mount Application: