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• New three Digit Combination Password Box Lock 20-30mm Smart Cam Code Lock Zinc Alloy Mailbox Cabinet Door Security HardwareDescription:100% Brand new & High quality Lock authentic manufacturer 3 Digit Combination Lock Metal material, Anti-corrosion, Durable How to change the password: There is a password replace gap at the bottom of the lock. Use a small keep on with height this hole within the open state, do not release it, and then change the password. Release your hand when you are done, and the password substitute is complete. You can change the password by yourself on the lock, exchange the password via , don't change three numbers at once. Remember the password, the wrong password won't be able to unlock.Specifications:Material: Zinc Alloy Surface Treatment: Chrome Plating Lock Body Diameter: 19mm Shell Diameter: 38mm Thread Length: 20mm, 30mm Suitable : Thickness 5-12MM (20MM lock). Thickness 15*25MM (30MM lock) Password: 000Package Included:1* Keyless cam lock

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