Material: zinc alloy Specifications: diameter 38mm Lock body material: zinc alloy Surface treatment: conventional chrome plating, electrophoretic black, matt plating, titanium plating Thread length: 20mm (short); 30mm (long) Package IncludedThe package includes 1 combination lock, with this secure mechanical lock, you never have to worry about losing your keys again. MaterialThese cabinet locks are made of strong zinc alloy, the lock will not rust or wear out over time. Easy to InstallThe installation of the cabinet lock is very simple, just open a 19mm hole on the cabinet or drawer, insert the lock and tighten the installation parts. Password can be resetThe original password is 000. There is a small hole at the back of the lock, hold the small hole with a stick, choose your new password at the same time, remember this password, finally release the stick and your password is changed. MultifunctionalUse this combination lock as a file cabinet lock, drawer lock, mailbox lock, locker lock, wine cabinet lock, office cabinet lock and more.