Security is an integral part of your life. You need a secure environment to relax at home and to work in an office. People use the master key system as a common key for all doors. There are advantages of using master keys, you have a single key for multiple door locks, in the office, it is easy to manage security by distributing similar design keys to the employees, it makes the criminal job harder and it is convenient to use. In disadvantages, if a master key is getting into the hands of an unauthorised person, it will get access to the whole office area, it is inconvenient to change the keys. Webster Locksmith suggests using a master key locking system in-house, rather than in office areas. It is easy to manage security with a master key in a house than the huge workspace. The master key locking system is a unique concept work well unless a smart locking system came into force.