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One Master Lock K175 series Brass Combo Padlock Reset KEY

Fits 176 177D and 178D 178BLK series

We Ship Quick

Hello All, 
        The key is a reset key for the masterlock combo reset series locks.

If you are looking for strong locks that can be set to the same combo this is the lock.

To use the key you must know the combination of the lock being changed and all new locks are set to 0000.

So if you lock the padlock the key can not be used to open it. You must know combo. 

step by step
1. open padlock with combination
2. insert key into lock firmly and rotate 180 degrees
3. change combination to NEW 4 digit combo
4. turn key 180 degrees and remove do not change new combo yet
5. test lock by pressing hasp into lock(close it) it should just pop back out if new combo is set correctly if it stays in start from step 1. with old combo
6. if lock pops open when hasp is pressed in roll combo to random number and lock padlock
7. test again by using new combo to open it.

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