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Locksmith Supply & Service

Master Lock M1 Lockout Key


This key will work on Master padlocks using the M1 blank. (Most Master locks use the M1 blank.)

This key is designed so that once inserted into the lock it can never be removed again. As a result, anyone with a previously working key will not be able to use it to open the lock. The lock will only be able to be removed by cutting it off or drilling it out.
  • 10 Units in Stock

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