Mitutoyu Digital Blade Micrometer

422-330
Anvil and the spindle have a blade for measuring the groove diameter of shafts, keyways, and other hard-to-reach portions. Ratchet stop, Origin-set, zero-setting, data hold, data output. Inch/mm conversion.
Accuracy: ±.00005”/±1mm.
Resolution: 0.00005”/0.01mm.