Measure with greater accuracy using this Lufkin 1/2" x 50' Oil Gauging Tape Measure (CN1293SF590NN). It features a heavy duty frame which is designed for years of rugged use. All frames Include a grounding strap. The gradients read right to left. The tape is recessed beneath multiple layers of nickel and shiny chrome electroplating. This type of finish provides greater resistance to wear and corrosion over the years. Please note that the plumb bob must be ordered separately.