Lufkin Atlas Chrome Clad, Nubian double duty oil gauging tape measures feature black markings bonded to steel and recessed beneath multiple layers of nickel and chrome electroplating that provides greater resistance to wear and corrosion. All Lufkin Atlas Chrome Clad, Nubian double duty oil gauging tape measures read right to left, have a heavy-duty frame designed for years of rugged use and all frames include a grounding strap.