Lufkin Oil Gauging Atlas® Chrome Clad® Tape :- original from USA made with black markings bonded to steel. Recessed beneath multiple layers of nickel and chrome electroplating // Provides greater resistance to wear and corrosion // All tapes read right to left // Heavy-duty frame designed for years of rugged use // All frames include a grounding strap // Plumb bob must be ordered separately // Recommended Plumb bob: 590GME // Blade style: D6