Notches in non-bearing walls can't exceed 40 percent of their width. The edge of a hole must be at least 5/8 in. from the ...

Stud finders are great for when you need to hang something in your home, like mounting TVs, shelving, or mirrors.

In commercial construction, where metal studs are ... lights that move with the device as you glide it against a wall. Red indicates studs, and yellow shows the location of live wires.