Hexagonal Wet Film Gauge 1,Long Lasting and Reusable. 2,Made of Stainless Steel. 3,Measuring up to 2000um. 4,Hexagonal. Material: stainless steelHexagonalLong lasting and reusablesupplied in a range of thicknesses measuring up to 2000μm.Measurement Range: 20-700μm 25-2000μm 20-10000μm