In the master keys system, you unlock one lock with several master keys. There are some pros to have such a system and also some cons. On the pros side, such a system makes tight control over access, which minimises the risk factor by providing limited access to authorised persons. With a master key, you can access multiple locks within the premises, which is highly efficient and less hectic. In commercial areas, it is convenient to distinguish what kind of key is assigned to specific departmental staff. As per disadvantages, changing the older master key system with a new one for what so the reason is hectic. In-office, every time an employee promotes, needs a specific key. If a master key gets into the wrong hand, it will cause severe issues. The master key system is the best option until the other smart electric locks came into action. Locksmith Garland service provider considers master key system for securing office premises.