A deadbolt lock is the finest lock inthe manual category. it is also considered as the successor of padlocking. Deadbolt locks are currently used within the residential areas mainly for securing the outside main gate. According to the locksmith white plain, the outermost gate of the property is the most important as it is important for maintaining a barrier between the secure inner area with outside threat-based areas. for inner areas, locksmiths use a lever handle and padlock specified locking system. For securing the main gate they never get completely relied upon deadbolt locks along with that they also prefer to use some additional accessories like surveillance systems and alarming systems which is beneficial for upgrading the security of the place to the next level. Many people consider manual locks as outdated but in reality, such locks are superior due its functioning and durability. A single manual lock can easily last hundreds of years without any maintenance with proper functioning.