High quality material: Made of zinc alloy material, durable, precise, strong applicability, anti-rust, 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 it is open, hold the stick to the hole, do not let go and change the password.When you're done, release it and the password change is complete.MULTI-PURPOSE: Password locks ideal for toolboxes, cabinets, mailboxes, school lockers or other unsuitable keys.The thickened lock plate and password roll ensure the security of your property.Necessities for life: Our combination lock is tailored to your life, so you don't have to worry about the security of your property or business documents when you go out.