Service & Support
Master Lock offers the best in customer service and provides extensive product support. No matter your issue, we're here to help you solve it.
Top Support Videos
Product Support
Set-your-own combination instructions, combination reset, lost combination help
Replace keys, replace locks, key duplication
Lock maintenance, warranty information, part replacements
Combination charts, lock service, lock replacements
Bluetooth locks & lock boxes, padlock service
Adding & removing users, app support, lock settings
Replacement parts, commercial door lock service, residential hardware support