The Mitutoyo 104-161A Outside Micrometer with Interchangeable Anvils has the following specifications:
? Range: 50-150mm
? Graduations: 0.01mm
? Mass(kg): 1.35
? Remarks: With 4 Anvils & 4 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:
    0.0006mm for models up to 300mm
    0.001mm for models over 300mm
? Parallelism:
    0.002mm for models up to 75mm
    0.003mm for models up to 150mm
    (2 + R/100)um     R= Max range(inch)