Milwaukee 2290-21 12 Volt Sub-Scanner Detection Tool Kit

M12 Sub-Scanner™ cordless detection tool was designed with a four wheel design for durability and smooth, accurate measurement. The unit also provides an ergonomic handle position for ease of use and a high contrast white-on-black display for clearer readings. Can detect rebar up to 6 deep in concrete, as well as the location and depth of materials beneath gypsum, ceramic tile and marble. Depth in stud mode: wood, metal and plastic 1.5 inch. AC voltage detection: 2 inch. Depth in metal mode: steel (ferrous) and copper, aluminium (non-ferrous) 6 inch.