Mechanical Hub Micrometer Range 0 in to 1 in Resolution 0.0001 in Accuracy +/-0.00016 in SPC Output No Long Form Calibration Certificate No Anvil Shape Flat Anvil Size 0.256 in Dimension Type Inch Operation Type Mechanical Thimble Type Ratchet Anvil Material Carbide Case Included Yes Case Type Plastic Features Measure Hub Thickness And Shoulder Inside A Bore Includes Hard Plastic Case Maximum Measurement - Inch 1 in Minimum Measurement - Inch 0 in Rotating Spindle (Yes/No) Yes