The Mitutoyo 104-139A Outside Micrometer with Interchangeable Anvils has the following specifications:
Range: 0-100mm Graduations: .01mm Mass(kg): 0.79 Remarks: With 4 Anvils & 3 Standards With Ratchet Stop Features: ● Wide measuring range with interchangeable anvils. ● With a Ratchet Stop for constant force. ● Supplied with zero-setting standards bar for each range. ● Supplied in fitted wooden case. ● Measuring faces: Carbide tipped Technical Data ● Accuracy: +/- (4 + R/75)um R = Max Range (Metric) ● Graduation: 0.01mm Flatness: ● .0006mm for models up to 300mm ● .001mm for models over 300mm Parallelism: ● .002mm for models up to 75mm ● .003mm for models up to 150mm ● (2 + R/100)um R= Max range (inch)