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
1 – 13mils, 2 – 18mils, 2 – 30mils & 5 – 50mils
Each comb has 10 measurement steps (teeth).