Widely Usage: Our oil tanker gauging tape is suitable for measuring the depth of oil in tank trucks, oil depots, tank ships or for measuring the depth of water level at the bottom of vessels.This oil tank gauge tape is suitable for chemical plants, seawater, gas stations, oil depots, oil tankers, etc. Wear and resistance, White oxidation tape: suitable for gas stations, oil depots, oil tankers, etc. if measure acid and products choose Stainless Steel Tape Explosion Proof Oil Tank Gauging Tape:This Oil Tank Measuring Stick is explosion proof , which could prevent .Solid large copper anchor, made of pure copper, to rust and .15M/49Ft, 20M/66Ft,30M/98Ft, 50M/ 164 FT sizes available. you may choose the suitable size according to the actual needs Measuring Methods with this fuel measuring stick:When measure oil level of the container, you can apply a thin layer of oil gauging paste on the tape, ( oil gauging paste not included), when the plumb contacts container bottom, stay for 20-30s, then slowly lift it out. (Measure water level at the bottom, stay for 10-15s.) Multiple Units of Reading:The Brass Plumb is both in CM and INCH, while the stainless steel tape is in M and FT, you may choose any way you like.Both brass plumb and tape are anti-rust and wear- with accurate calibration Colour:As shown Material:Metal style:15 meters Package Contents: 1 * Oil Tank Measuring Stick Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.