High Quality Material: The mailbox lock is made of zinc alloy with precision casting technology. The cabinet lock can ensure better resistance to oxidation, water, rust and long-term wear. [Strong versatility]: Replacement lock cylinder for 16mm length binder, with locking plate that can fit materials up to 12.5mm thick. PLEASE NOTE: Each drawer lock has 3 keys, all locks are different and can only be opened with the three keys provided. [Durable structure]: This is a lock with standard size cam with a diameter of 18 mm. The applicable material thickness is up to 12mm, the lock body is 18mm, and the drill bit size is 19mm. Suitable for desk drawers, cupboards, table display cabinets, caravans or motorhome doors. [Enhanced security]: The cabinet's child lock provides sufficient security not only to protect your important items, but also to protect your children from dangerous items such as sharp tools and inedible cleaning products. In addition, the cam lock provides a high level of privacy for personal items and prevents others from seeing it. Convenient and practical: the practical key lock kit contains 3 locks and 6 keys. The lever lock key is attached to the corresponding cam lock so you can remove the key from the locked and unlocked position.