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Calculated Industries StudMark 7310 Magnetic Stud Finder

Model: 7310 · US configuration

Calculated Industries StudMark model 7310 package, with the magnetic finder and illustrated steps for marking a drywall fastener point.
Manufacturer image of the exact StudMark 7310 package with illustrated use directions; not a test photograph.

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A battery-free, two-magnet locator for likely drywall fastener points, supplied with two removable markers; its reviewed exact sources state no numeric detection depth or electronic edge/center indication.

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Why consider this model?

  • A low-maintenance, battery-free option for dry drywall when a likely fastener point can help locate framing and removable markers help keep several candidate points visible.

Tradeoffs to weigh

  • It catches ferrous fasteners rather than measuring stud density, has no documented numeric depth or electronic edge/center signal, and the maker does not recommend it for plaster.
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Manufacturer information