Digital Groove Micrometer Range 0.05 in to 1.05 in Resolution 0.001 in Accuracy +/-0.0001 in SPC Output No Long Form Calibration Certificate No Anvil Shape Disk Anvil Size 0.281 in Dimension Type Inch Operation Type Mechanical Thimble Type Speeder Anvil Material Steel Case Included Yes Case Type Plastic Features Measures Grooves and Lands Includes Case Maximum Measurement - Inch 1.05 in Minimum Measurement - Inch 0.050 in Rotating Spindle (Yes/No) No Spindle Disk