When it comes to most superior locking system, locksmith professional considers manual locks at the top. Generally, manual locks are so simple and tough or simply saying that the working of manual locking system is so simple and when it comes to its impact on the security level, such locks play a great role in maintaining that. Manual locks are generally cheap to get, even anyone can afford this by spending a very small amount. On the technical side, manual locks do not require heavy maintenance, simple oiling and lubrication are enough for increasing the durability of the locks. Locksmiths like locksmith sugar land tx promote these kinds of locks within the residential areas, especially those who prefer to live in the apartments. Some of the best locks recognised under the manual category are padlocks, deadbolt locks, pin tumbler locks, and the most special one interchangeable core-based locking system.