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Lost Keys & Key Replacement
Lost Combinations
Defective or Non-Functioning Locks
Master Lock Door Hardware and Door Locks
How To Find or Buy Master Lock Products  
More Information on Master Lock Products
School/Locker Locks

Defective or Non-Functioning Locks
One of my locks has become difficult to open, and it had to be cut off. Will Master Lock replace my lock?
All Master Lock padlocks are warranted to be free from mechanical defects for the life of the product. If a mechanical defect occurs, we will replace it free of charge. Click here to view instructions for obtaining a replacement lock.

Will Master Lock reimburse me for my locksmith charges?
Master Lock does not reimburse for locksmith fees and/or services.

Will Master Lock reimburse me for my return postage?
Master Lock is not responsible for return postage fees.

How long does it take to receive a replacement lock after I have mailed in my defective lock?
The time will vary depending on the type of lock, and whether your replacement needs to be custom-built. Generally, you should receive your replacement within 3-6 weeks from the time we receive it.

I returned a defective lock over six weeks ago, and have not yet received a new one. How do I find out the status of my replacement lock?
Please click here to send us the details:

1. Tracking number of the returned package
2. Date the lock was sent back to us
3. Model number (usually located on the bottom of the lock). If you don't know what the model number is, describe the lock to us.
4. Key number and/or combination (if it was included on Product Return Form)

You should expect a response back from us within 2 business days.

I have a Master Lock padlock that only opens occasionally. What can I do?
Click here to view our Care & Service guide. If your lock still does not function properly, it may be defective. Refer to our Warranty Information to find out how to obtain a replacement lock.

I have a brass resettable combination lock that sticks from time to time. Is there anything I can do?
We recommend lubricating your lock with a light machine oil or any lubricant that does not contain graphite.
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