Indicating Dial Snap Gauge Range 0 in to 2 in Graduations 0.00002 in Accuracy +/-0.0001 in Contact Material Carbide Dimension Type Inch/Metric Includes Indicator Yes Minimum Measurement - Inch 1 in Minimum Measurement - mm 25 mm Operation Type Digital Requires Indicator No Anvil Diameter 0.4 in Anvil Flatness 0.0001 in Anvil Shape Flat Anvil Stroke 0.04 in Dial Reading 0.00002 in Included Indicator Yes Measurement Style Comparison Measuring Force 3 ozf Parallelism 0.0001 in