SPI Standard Outside Mechanical Set Set includes... 0-6" Measuring Range 0.0001" Graduations Accuracy... 0-1" Model: + 0.0001" 1-2" Model: + 0.0002" 2-3" Model: + 0.0002" 3-4" Model: + 0.0002" 4-5" Model: + 0.0002" 5-6" Model: + 0.0002" Ratchet Stop Carbide Spindle Faces 0.25" Spindle Diameter NIST Traceable Calibration Certificate Furnished in fitted case Micrometers included in set... 0-1" Outside Micrometer 1-2" Outside Micrometer with standard 2-3" Outside Micrometer with standard 3-4" Outside Micrometer with standard 4-5" Outside Micrometer with standard 5-6" Outside Micrometer with standard
