Door locks and fences is one of the building material products which have a very important role to complement your home security system. It is closely related to the safety factor where you live, especially if in your home filled with precious objects. If you do not pay attention to this, then your home so coveted thief, despite the fact that crime can happen anywhere and at any time but at least with the house keys and locks wearing a good fence, then you've been trying to keep it in a safe condition. To improve the security of shelter and safe-box, then you shall know the kinds of door locks for homes and other security key. Basically the key is divided into two kinds, namely; Conventional keys are already very commonly used to manually and more modern digital keys and claimed qualified and reliable to maintain security.