Mechanical Outside Micrometer Set Range 0 in to 3 in Resolution 0.0001 in Accuracy +/-0.00020 in SPC Output No Long Form Calibration Certificate No Dimension Type Inch Operation Type Mechanical Thimble Type Ratchet Anvil Material Carbide Anvil Shape Flat Case Included Yes Case Type Plastic Case Lock Nut Type Lock Nut Rotating Spindle (Yes/No) Yes Spindle Material Steel Spindle Shape Flat