Live Wire, Metal and Stud Detector

A wall scanner that finds timber and metal studs to 38 mm, metal pipe to 76 mm and live cable to 76 mm, with an LCD and an audible tone. Run it over the wall before the drill goes in.

• Check before ordering: Scan the same spot from two directions and mark both. No detector is infallible on rubble-filled walls — treat it as a warning, not a guarantee.