Quote:
Originally Posted by Woodbear
A standard stud finder will locate the stud, but very few will tell you its composition. Fasteners will differ for wood & metal. Knowing the studs composition will allow you to complete your task appropriately.
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Exactly right. And I've found these to be excellent for finding studs. Easy enough to use. If the studs are metal, these magnets will stick to wall at any point along the vertical line of the stud. If wood, of course the magnet will only stick to the wall where the drywall screw is located. No sense in poking holes in your wall to find studs or determine their composition.