Some of the most common locks introduced by locksmiths in the market are padlocks, rim mortise locks, deadbolt locks, personal identification number-based locks, biometric solutions, lever handle locks, knob locks, and central locking system. There isa various factor working behind for the selection of locks. Although it is never so easy to choose any out of various varieties of locks. Generally, locksmith in terms of functioning categorized locks into two parts first is the manual locking category and the second one is the electronic or smart technology specified locking system. Not only this they also categorized them in terms of the sector like manual locks are mainly preferred for securing residential areas and electronic is for commercial and for automotive area central locking system is the only option. Locksmith Newark Nj mainly deals with the residential area and goes for manual locks for most of the cases. Such type of locksmith always works by establishing the best coordination with their clients.