Material: Made of zinc alloy material, durable, precise, strong practicality, anti-rust and can also be used for a long time. Specifications: The cam lock has a cylinder length of The 3 quadrants offer the user up to 1000 possible combinations. The default password combination is 0-0-0 and can be reset. Note: When unlocking, keep your hand on the threaded part and do not touch any other place so that you can unlock successfully. Reset password: There is an opening at the bottom of the lock to change the password. When open, hold the pin against the hole, do not let go and change the password. When you are done, release it and the password change is complete. VERSATILE: Password locks ideal for toolboxes, cabinets, mailboxes, school lockers or other unsuitable keys. The thickened lock plate and password roller ensure the security of your property. Life necessities: Our combination lock is tailored for your life, so you don't have to worry about the security of your property or business documents when you go out.