A barrel lock is a unique type of lock that is designed to prevent tampering. It is a lock with a custom shape that fits perfectly into a slotted hole often found on utility meters. It also requires a special key known as a meter key. A meter key uses a plunger type action that injects a portion of the key long ways into the barrel or cylinder lock. This further makes picking the lock difficult. In fact, it is always recommended that you use an approved barrel lock meter key purchased from a trusted source. This will ensure that you do not damage the barrel lock and that the lock will work over the long term. Play it safe a only buy meter keys from a dependable source.
Why is a Barrel Lock So Good?
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Barrel Lock Blog
A regularly updated blog on all matters related to barrel locks and barrel lock meter keys.