Zircon MetalliScanner MT6-FFP Professional Metal Detector Map the Grid and Use on Concrete, Drywall, Lathe and Plaster, Stucco, and More - Protective Case and Battery Included The Zircon MT 6 quickly and easily detects metal in non-metallic surfaces (concrete, tile, plaster, stucco, reclaimed lumber, and more) Detect metal objects, determine if the objects are ferrous (magnetic like rebar) or non-ferrous (non-magnetic like copper pipe), and identify their location to the nearest inch (25 mm) and depth to the nearest 1/2 inch (13 mm) The metal detector's easy to read LCD screen simplifies tasks like mapping the grid and detecting rebar Locate embedded metal behind lath and plaster before your drill bit by locating pattern of nailheads and tacks that attach the wood lath to the studs Comes complete with a 9V battery and protective metal case making it easy to carry from job to job