Dial Indicating Outside Micrometer Range 0 in to 1 in Resolution 0.0001 in Accuracy +/-0.00014 in Long Form Calibration Certificate No Dimension Type Inch Jaw Depth 0.748 in Mechanical Display Type Dial Operation Type Mechanical with Indicating Dial Thimble Type Ratchet Anvil Material Carbide Anvil Shape Flat Lock Nut Type Lock Nut Maximum Measurement - Inch 1 in Minimum Measurement - Inch 0 in Rotating Spindle (Yes/No) Yes Spindle Diameter 0.315 in Spindle Material Steel