DetailsThe #1 rule in N.D.T. "Always use the right tool for the job!" Inspectorzgadgetz.com would like to introduce you to it's latest gadget. The absolute first of its kind! A ruler specifically designed with the UT inspector in mind. "The N.D.T Lv.I" will make field inspections a breeze. 10th scale, mm 2 inch conversion, fractions to decimal, D.11.break down, skip distances for 70°, 60°, 45°, bevel angles and lots more. An all in one UT master piece.