Lock, Big Keyless Combination Padlocks - Initial Passwords 00000 - With You6688 - Color May Vary High anti-theft performance Keyless password padlocks, easy to use Material: zinc alloy; specification: 70*70MM; the diameter of lock rod: 7.5MM The method of changing the passwords:Push the reset button to SET positionTurn the tumblers to the passwords what you want, and make sure it aligns with both notches, just as the first picture(00000)Push the reset button back to OFF, and remember your passwords