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STANLEY Stud Sensor 75 (77-075)

Model: Stud Sensor 75 / 77-075 · US configuration

STANLEY Stud Sensor 75 / 77-075 official manual illustration with model code visible.
Exact 77-075 illustration from the Stud Sensor 75 instructions; not a product photo.

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An earlier 9V edge finder whose exact manual illustration identifies model 77-075 and whose instructions state a 3/4-inch drywall limit with center estimated from two edge marks.

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Why consider this model?

  • A simple earlier reference for drywall/plywood edge marking where a two-direction center estimate is acceptable and an electronic live-wire meter is not required.

Tradeoffs to weigh

  • The manual gives only a 3/4-inch drywall ceiling and an edge-only workflow, not a direct center cue or wire warning. It recommends keeping the free hand at least six inches away and using cardboard when calibrating across rough ceilings.
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