Item Specifications: Brand: Blue-Point (by Snap-on) Type: Mechanical Digit Outside Micrometers Measuring Range: 0-3" (Includes 0-1", 1-2", and 2-3" micrometers) Graduations: 0.0001" What's Included: (1) 0-1" Digit Micrometer (1) 1-2" Digit Micrometer (1) 2-3" Digit Micrometer (1) 1-inch Calibration Standard (1) 2-inch Calibration Standard (1) Spanner Adjustment Wrench (1) Operation Manual Original Padded Hard Case Please look at all the pictures and ask any questions you may have.