The cylinder key is prepared truly of only two main parts – the round handle, and the cutting edge with the teeth coming openly out of the end. On the other hand some other forms of keys, such as the handle key and the church key, include an additional element – that being a narrow part that comes out between the handle and the blade. It is iniquitous to call the handle key or church key dissimilarity on the cylinder key as they really came first and locksmith experts have been working with these kinds of key and locks for much longer. In these days locksmith experts are proficient to deal with all kinds of keys and locks. With the advancement of technology locksmiths are also improving their skill and knowledge.