Mechanical Spherical-Anvil 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, Dimension Type Inch, Operation Type Mechanical, Thimble Type Plain, Anvil Material Carbide, Case Included Yes, Case Type Plastic, Features Carbide Measuring Faces, Anti Glare, Rust , Satin Chrome Finish, Steel Frame, Frame Material Steel, Includes Wrench, Maximum Measurement - Inch 1 in