Mechanical Outside Micrometer Set, Range 0 in to 6 in, Resolution 0.001 in, Accuracy +/-0.0001 in (0 in to 3 in), +/-0.00015 in (3 in to 6 in), SPC Output No, Long Form Calibration Certificate No, Dimension Type Inch, Micrometers Included 1 in, 2 in, 3 in, 4 in, 5 in, 6 in, Number of Micrometers 6, Operation Type Mechanical, Thimble Type Ratchet, Anvil Material Carbide Tipped, Anvil Shape Flat, Case Included Yes, Includes (5) Standards, (6) Micrometers, Wooden Case