For quickly measuring the thickness of paper, film, leather, rubber etc. The spindle is moved using the thumb lever. With adjustable bezel. Measuring faces are made of high grade tool steel, hardened, ground and lapped for accuracy. Thumb lever raises spindle to allow for workpiece insertion. Specifications: Range: 0 - 10mm. Graduations: 0.01mm. Throat depth: 30mm. Accuracy: +/-0.02mm.