Digital Tube Micrometer Range 0 in to 1 in Resolution 0.001 in Accuracy +/-0.0001 in SPC Output No Long Form Calibration Certificate No Anvil Shape Round Anvil Size 0.185 in Dimension Type Inch Operation Type Mechanical Thimble Type Plain Anvil Material Carbide Case Included Yes Features Extremely Hard and Stable One-Piece Spindle Rigid steel frame ribbed for strength and stability Frame Material Steel Includes - Lock Nut Type - Maximum Measurement - Inch 1 in