Master Lock

1502 Master Lock Combination Padlock
Standard 3/4" vertical shackle.
Not keyed controlled, combination only.

1-2 week lead time

1525 master lock combination padlock. Standard 3/4" vertical shackle.
Keyed controlled & Combination.
Master key sold separately. We will need your master key number if adding to your existing system. These keys start with a "V" and has digits after it.

1-2 week lead time

Include Master key #, always starts with a "V" and has 2-3 numbers after it.

or new series.

1600 Series Master Key #'s by Master Lock starts with a "F" and has 3 numbers after it. The master key will open all locks associated with that master key. If you do not know what master key you have you must destroy a lock and look under the black dial portion of the lock for a red flag that is 1/8"x3/8" with a stamped key number on it. This lock will be destroyed completely and will not be able to be used again. You either are buying locks with master keys and need to order as new series or you have an existing master key series that start with F or S.

Include Master key #, always starts with a "SL" and has 2-3 numbers after it.

or new series. We will need your master key number if adding to your existing system.

For user keys include master key number and serial number for user key only. User key is not the master key.

K3630 is the over ride key to get into any locker with that same master key #. Master Key Video Click Here or Multi User Lock Video Click Here.

You must choose New Series or Existing master key #.

Extension kit for use on wooden doors with a thickness of 11/16" to 3/4". Works with 3630, 3631 & 3670 lock.