Mechanical Outside Micrometer, Range 0 in to 1 in, Resolution 0.0001 in, Accuracy +/-0.00015 in, Long Form Calibration Certificate Yes, Dimension Type Inch, Included Certification Short Form Certificate of Inspection Traceable to NIST, Jaw Depth 1.102 in, Mechanical Display Type Vernier, Operation Type Mechanical, Thimble Type Ratchet, Anvil Material Carbide, Anvil Shape Flat, Lock Nut Type Lock Nut, Maximum Measurement - Inch 1 in, Minimum Measurement - Inch 0 in, Rotating Spindle (Yes/No) Yes