Mechanical Outside Micrometer Range 11 in to 12 in Resolution 0.0001 in Accuracy +/-0.00035 in Long Form Calibration Certificate No Dimension Type Inch Jaw Depth 6.614 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 12 in Minimum Measurement - Inch 11 in Rotating Spindle (Yes/No) Yes Spindle Diameter 0.256 in Spindle Material Steel Spindle Shape Flat