Dial Indicator - Lug Back, Range 0 in to 0.25 in, Graduations 0.001 in, Accuracy +/-0.001 in, Long Form Calibration Certificate Yes, AGD Number AGD 1, Back Type Lug, Dial Color White, Dial Reading 0-100, Dial Size 40 mm, Dimension Type Inch, Included Certification Certificate of Inspection, Maximum Measurement - Inch 0.25 in, Minimum Measurement - Inch 0 in, Number of Indicators 1, Operation Type Plunger, Range per Revolution 0.1 in, Reading Continuous, Bearing Type Jeweled, Bezel Lock No