Nothing is perfect within this world; some have pros and some have some cons also. The master key system is the advanced locking system. It replaces the older manual concept of locking. It holds some pros and some cons also. On the pros side, the master key system provides you tight control over access, fewer keys to monitor, make the criminal job harder, easy to use, it is beneficial for managing traffic in an area. On the cons side, there is a reduced level of security risk, changing the key is highly inconvenient and adds additional expense. The master lock system is designed specifically for office security. Where you have to provide your employee with the same key setup for different locks. In case if anyone left the jb, you need to reinstall the whole system. To overcome these issues, the locksmith introduces an advance electric master locking system. For any query about master locking, you can ask locksmith lewisville tx at any time.