Without a master key, an individual may have to waste precious time finding the correct key for each door, and some warehouses will have numerous locked doors which is why a master key is imperative.
Pin keypads tend to be the most common type of door lock in retail premises and warehouses, but if you have normal locks then a master key is a must. Some companies will have hundreds of lockers, and master keys are crucial, allowing the manager or supervisor access to each of the locker should he or she believe that a member of staff is stealing.
There are many different reasons why master keys are important, and if you have a large number of key-locked doors, lockers or safes, then a master key could be a convenient solution.