The different types of locks introduced by the locksmith to date are padlock series of locks, deadbolt series of locks, interchangeable core-based locking system, rim mortise lock, pin tumbler locks, knob lock, lever handle lock, biometric solution, personal recognition number based locking system, and various type swipe card technology-based lock series. whenever it comes to lock series then one should know that a lock is available in many different forms in terms of design and functionality. Taking an example of security device series of locks, in this series padlocks of various kinds are categorized in which key specific padlock, combination-based padlock, vertical mechanism-based padlocks, horizontal mechanism-based padlocks, and some random in which useful or all size-based padlocks are covered. Using locks for security is the finest way for a locksmith to act. Locksmith Atlanta uses all the above-mentioned locking systems and according to them,the identical core-based locking concept is unique or different.