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Bosch GMS 120
Model: GMS 120 · US configuration
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A three-mode wall scanner with wood/metal center indication, separate material modes and live-wire warning; its manual gives 38 mm for wood substructures.
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- A compact three-mode scanner for a drywall task where the buyer wants a center cue, wood/metal comparison and a live-wire alert that is indicated during scanning; the manual gives a 38 mm wood-stud maximum.
Tradeoffs to weigh
- The GMS 120 has no documented stud-edge cue, its wood mode can report dense non-wood objects, and its lath workaround locates nails rather than directly identifying studs. Metal and live-wire maximums are separate from the 1½-inch stud limit, and alerts do not certify a safe drilling point.
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