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)