a draw stud, punch and die. To setup the punch, first drill a pilot hole into a piece of sheet metal with a step drill bit. Place the die over the draw stud before inserting the stud through the ...

but modern units can do more than just find a stud. Some models detect magnetic and non-magnetic metals, wood and metal studs, and live wires. So now you can not only find your stud, but also get an ...