Service & Support


Q: My school is interested in purchasing locks for our lockers. How may I obtain a quote?

Category: School & Locker Locks


Send a note to our E-Commerce Team. Include your name, address, phone number, the model number of the lock you are interested in, the key number if you have an existing system, and the quantity. Your note will be forwarded to the Master Lock Sales Representative in your area.

Q: What is the dialing sequence to open a standard combination lock?

Category: Lost Combinations


Please follow the steps outlined below:

  1. Turn the dial 3 times to the right and stop on the first number of the sequence.
  2. Turn the dial to the left, pass the first number of the sequence and stop on the second number.
  3. Turn the dial to the right and stop on the third number of the sequence.
  4. Pull up on the shackle.

Q: I have a combination lock on my school locker that has a keyway in the front or the back. Is it possible to get a key for my lock?

Category: School & Locker Locks


These locks are registered to a particular business or school and the keys are reserved for their use only.

Yes, it is possible to purchase up to 12 additional keys if you are the registered end user (i.e. a school or institution). Send us a fax on your official letterhead requesting the keys you need. Be sure to include the exact key numbers and any information that will help us find your user registration. The cost is $3.99 per key plus a $5.00 flat fee for shipping, regardless of the numbers of keys being ordered. Fax your request to 1-800-308-9245, to the attention of Customer Service/Registered Keys.

A remittance request will accompany your keys. Payment can be made by check or money order (at this time, credit card payments are not accepted).

How-To & Instructional Videos

1500 Combination Locks - Training