w*******y 发帖数: 60932 | 1 As seen here for $8.70
Amazon now has this stud finder for $8.22:
http://www.amazon.com/gp/product/B000IKK0OI/ref=ox_sc_act_title
Technical Details
Small and compact, easily fits in pocket
Powerful magnets allows hands free use
2 way level for ease of marking
No batteries required
Soft grip for easy grabbing and gentle touch
Amazon.com Product Description
The Stud 4 Sure is a stud finder that uses powerful rare earth magnets to
pinpoint the exact location of screws or nails in a stud. The tool doesn't
require batteries and never needs calibration. By keeping the tool free of
moving or electronic parts, the Stud 4 Sure is easy to use and fits easily
into any tool pouch. Just place the stud finder on the wall and sweep in an
"S" pattern to locate any metal fastener. The rare earth magnets are strong
enough to allow Stud 4 Sure to hang hands-free on a wall, eliminating the
need for pencil markings. The ergonomically designed, China made product is
guaranteed to last a lifetime of being tossed, dropped, and banged around.
From the Manufacturer
Positively locates nails and screws with powerful "neodymium" magnets. The
magnetic stud finder works like magic. It sticks to the wall leaving your
hands free--no batteries, no calibration, no lights, no hassle. It works on
wood or metal studs, and uses multiple industrial strength magnets to "Field
Vector" the stud. This is the last stud finder you will ever buy. Simply
slide the flat surface of the magnetic stud finder slowly across a wall in a
circular or "S" motion until you feel a strong pull to a nail head or screw
. Once you have the magnetic stud finder directly above a nail head or screw
, let it go and it sticks to the wall.
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