Digit Counter Outside Micrometer Range 1 in to 2 in Resolution 0.0001 in Accuracy +/-0.00016 in Long Form Calibration Certificate No Dimension Type Inch Included Certification No Jaw Depth 1.25 in Mechanical Display Type Digit Counter Operation Type Mechanical Resolution - Counter 0.001 in Thimble Type Ratchet Anvil Material Carbide Anvil Shape Flat Case Included Yes Case Type Plastic Case Frame Material Steel Includes Key Spanner Lock Nut Type Positive