What is universal keys?

Universal keys are keys that are designed to work on different types of locks or padlocks. These keys often have a standard or basic pattern that can fit into a wide range of lock types, making them a convenient tool for people who often work with locks and need a quick and easy way to access them. Universal keys can be useful for locksmiths, maintenance personnel, property managers, and other professionals who need to access multiple locks on a regular basis. However, the use of universal keys can also pose a security risk, as unauthorized individuals may be able to gain access to locked areas by using these keys.