The Mitutoyo 103-180 Outside Mechanical Micrometer features a hammertone, green, baked-enamel finished frame and Carbide tipped measuring faces. This model includes a Ratchet Stop, Standard Bar and a Measuring Range of 3 to 4" with an Accuracy of +/- 0.00015".
Specification:
Range: 3-4"
Graduations: 0.001"
Accuracy: +/- 0.00015"
With Ratchet Stop