Dial Comparator Range 0 in to 0.002 in Graduations 0.00002 in IP Rating Not Rated Long Form Calibration Certificate No Back Type Non-Removable Flat Back Dial Color White Dial Reading 0-1-0 Dial Size 63 mm Dimension Type Inch Included Certification ISO 12025 Certification Maximum Measurement - Inch 0.002 in Minimum Measurement - Inch 0.00002 in Operation Type Mechanical Accuracy +/-0.00002 in Contact Point Shape Ball Non-Magnetic Yes Stem Dia 3/8 in