Mechanical Outside Micrometer Range 150 mm to 300 mm Resolution 0.01 mm Accuracy +/-5 micron Long Form Calibration Certificate No Dimension Type Metric Mechanical Display Type Vernier Operation Type Mechanical Thimble Type Ratchet Anvil Material Carbide Anvil Shape Flat Case Included Yes Case Type Aluminum Box Lock Nut Type Lock Nut Maximum Measurement - mm 300 mm Minimum Measurement - mm 150 mm Rotating Spindle (Yes/No) Yes Spindle Diameter 0.256 in Spindle Material Steel