Understand Method's Principle
0:33
0:43
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At 0:33 in
Works 100% of the time
What happens here
The presenter explains the science behind the trick: drywall is fastened to wooden or metal studs using metal screws or nails. Since these fasteners are magnetic, a small magnet can easily detect their presence through the drywall, thereby pinpointing the exact location of the hidden stud.
Goal: Learn that this method works because drywall is attached to studs with magnetic metal screws or nails.
What they say
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What they say
(337 characters)Auto-generated from the video audio.