If you give your keys to anyone else, even for a short time, will they be able to make a copy without your knowledge or permission?
High Security - recommended
Keys are protected against unauthorized duplication by utility patents. This offers additional protection against such physical attack as drilling, prying, pulling, wrenching or kicking.
Key Control - acceptable
Keys are protected against unauthorized duplication by patent.
Standard Locks - low security
Offers the minimum level of security available. Keys can be copied at over one million locations in the U.S. Some keys are stamped “do not duplicate,” but offer no legal protection against unauthorized duplication. |