This is a clever solution for businesses, especially when you find your company expanding. The more doors you add to a growing business, the more keys you are going to have to carry around. With a master-key system, instead of having to carry around 20 different keys, you can have one key open every door. At the same time, you will be able to give keys out to managers and employees that gives them access only to doors pertinent to their domain or duties.
If an employee loses a key, you only need to replace the door lock for the specific door, but you will still be able to access it under the master key system. By instituting a master-key system for your business, you are effectively tightening security exponentially. Read more from this blog: http://bit.ly/2kld4S0