Dial Thickness Gauge Range 0 in to 0.5 in Graduations 0.001 in Accuracy +/-0.001 in Long Form Calibration Certificate Yes Contact Material Ceramic Dial Reading 0-100 Dimension Type Inch Maximum Measurement - Inch 0.5 in Minimum Measurement - Inch 0 in Throat Depth 30 mm Included Certification Long Form Calibration Certification