Outdoor
Our outdoor locks stand guard in the harshest conditions. These durable padlocks resist rust and corrosion in wet or cold weather.
Locks for Personal Use
Millions of people trust Master Lock to secure their property every day. No matter what's important to you, you can count on us to protect it. Find our products in hardware stores, big-box retailers, and thousands of other locations.
Find the Right Lock
Heavy Duty Security
We design our high security padlocks to resist prying, pulling, and picking. Choose a high security padlock for extra protection against physical attacks.
EVERYDAY INDOOR USE
Our general use padlocks offer you peace of mind. When selecting your indoor lock, consider how much security you need. Laminated steel offers greater impact resistance and hardened shackles prevent cutting. You can also choose between combination and keyed locks depending on your preference.
Lock boxes
Share access with friends, family, and trusted service providers. Portable lock boxes attach to a door knob or other fixed objects. Wall-mounted models can be permanently installed for everyday convenience.
Bluetooth & Electronic
Bluetooth locks offer better, more convenient access control. Grant and revoke access at any time and from anywhere. Create codes for friends and family, or codes that automatically expire.
More Security Options
Business Products & Solutions
Trusted, customizable security solutions for your unique business challenges.
Shop BusinessSentrySafe Safes
A good safe not only protects against theft, but also against fire and water damage. Trust SentrySafe to protect the things that matter.
External Link Shop SentrySafe.comProduct Support
Reset & Retrieve Lost Combinations
Set-your-own combination instructions, combination reset, lost combination help
Lost Keys & Key Replacements
Replace keys, replace locks, key duplication
Product Maintenance & Replacements
Lock maintenance, warranty information, part replacements
School Locker Locks
Combination charts, lock service, lock replacements
Bluetooth & Electronic Lock Support
Bluetooth locks & lock boxes, padlock service
Vault Support
Adding & removing users, app support, lock settings
Door Locks & Hardware
Replacement parts, commercial door lock service, residential hardware support
cLOTO Support
Do you need cLOTO support?
Safes Support
Batteries, warranty information, lost key or combination help
