Four separate thickness ranges are available up to a maximum of 1250μm or 50mils and are manufactured to an accuracy of ±5% of marked value or 3μm (0.12mil) whichever is the greater
20 – 325µm, 50 – 450µm, 50 – 750µm & 125 – 1250µm
Each comb has 10 measurement steps (teeth).