Digit Counter Outside Micrometer, Range 0 in to 1 in, Resolution 0.001 in, Accuracy +/-0.0001 in, Long Form Calibration Certificate No, Dimension Type Inch, 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, Includes -, Lock Nut Type Ring, Maximum Measurement - Inch 1 in, Minimum Measurement - Inch 0 in, Rotating Spindle (Yes/No) Yes