Stanley FatMax Stud Sensor 300 Stud Finder

Detects studs up to 1-1/2" below surface material. Backlit LCD screen displays all of the tool's readings - even in low lighting conditions. Features One Pass Center Find Technology, which locates center of stud. Deep metal scan senses metal up to 3" below surface. Marking channel makes marking surfaces easy and accurate. Ergonomically designed with soft grips.