SPI Digit Outside Micrometer Set Features Include... 0-6" Measuring Range 0.0001" Graduation Ratchet Thimble Spindle Lock Includes Certificate of Calibration Micrometers included in this set... 0-1" micrometer 1-2" micrometer with standard 2-3" micrometer with standard 3-4" micrometer with standard 4-5" micrometer with standard 5-6" micrometer with standard Includes fitted case