Tavool 4-in-1 Electronic Stud Sensor Finder $20 at Amazon
Amazon with Tavool Direct has the Tavool 4-in-1 Electronic Stud Sensor Finder for $28 - $8 off with coupon code
MZ3YWBWI [Exp 5/15] =
$20 with free shipping on $25+ or with Prime. Has four different scanning modes for woods, beam, joist, metals, AC wires and deeply embedded objects.
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