Digital Sheet Metal 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 Flat Dimension Type Inch Operation Type Mechanical Thimble Type Ratchet Anvil Material Carbide Case Included No Features Extremely Hard and Stable One-Piece Spindle Combination Ratchet and Speeder for Uniform Pressure and Quicker Adjustment Frame Material Steel Includes Spanner Wrench Lock Nut Type Lock Nut