Our door lock and handle are the crucial part of the security. We use the door lock and frequently handle several times a day. As it is a major part of our daily lives, it needs special care and attention. For your recommendation today, we will discuss a new topic, “How to install door lock and handle?” In this regard, we might take help from a professional guy who has long experience in this specific field. Now you can try it by yourself by reading the full tutorial.