Normal keys - Security Keys - High Security Keys

In this video we look at the difference between standard pin locks and security keys and comparer them to high security Mul-t-Lock interactive locks, Looking over the key and the lock plug and comparing the difference .See how high security keys have evolved over the years and the added technology that's now available. You can buy locks including high security locks suck as Mul-t-lock from our web site at www.drlock.com...