With single-button operation and user-friendly operation, the Hilti PS 35 Ferrodetector is the intelligent way to avoid rebar hits. Ferrodetectors look beneath the surface to locate hazards within concrete and masonry that may present a safety risk when performing coring and drilling work. The Hilti PS 35 Ferrodetector is capable of locating reinforcing bars in concrete up to 43/4 in., as well as copper or aluminum pipes in concrete or masonry up to 3 in., with an accuracy of ± 3/8 in. Ruggedly built for jobsite use, the Hilti PS 35 Ferrodetector can help increase drill bit lifetime by helping you avoid hitting rebar, copper, and aluminum pipes while drilling.