Metal, wood and and concealed wiring detectors

At some point of our lives, all of us had to drill a hole in the wall of the house. But not many of us actually thought about the fact that the wall is not simply made of brick or plasterboard, it has many hidden rocks, such as wiring, metal fittings or wooden boards inside the walls.
This small device will help you avoid damaging of expensive tools and the unpredictable consequences of ...