For the residential sector, locksmiths hold some unique kind of preferences as their objective is clear to make the residential area secure but as per their functionality, it shows some kind of variation. In residential areas, locksmiths mainly promote the use of a manual kind of locking system with proper strategy. In manual locking systems they mainly go with deadbolt locks, rim mortise locks, interchangeable core specified locking system, lever handle locks, and many others. All such locks are always in higher demand. Manual locks are highly durable and made up of high-quality metal material the best thing about manual locks is that they can last easily for several years intact without any kind of servicing or maintenance. Locksmith Philadelphia PA mainly promotes the use of such locking within the residential areas especially to those who belong to the middle class and below to that kind of society. Manual locks are cheap and easy for all to get for maintaining a secure atmosphere all around.