This mini pocket size sliding Vernier Caliper Ruler is used to measure internal and external dimensions and distances, instant measurement helper both on lug size and the thickness of watch band. Precision measuring instrument for delicate items - an essential tool for watch lovers. How to read the exact scale: This caliper has a main scale (top =1mm interval) and a vernier scale (bottom reflective = 0.1mm). Combined and read the two together to find the measurement expression down to 0.1 decimal place. Read where the bottom Vernier scale is when the bottom baton is 100% vertically aligned with the major scale. From the demo image, the top main scale is 20 while the bottom baton vertically aligned is 0, so the actual reading is 20.0mm.
Item no. : NT-TL-032A Brand : MiLTAT Material : Polycarbonate Resin Color / Finish : BLACK Overall size : 114 x 40 x 5.6mm Measure Range : 0.1~70mm Min. Unit : 0.1mm Net Weight : 6g