0-1 inDigit Counter Outside Micrometer 72-224-001

• Hammertone grey baked enamel frame with heat insulated frames.• Microfine graduations on satin chrome.• Anvil and spindle hardened and precision ground with microlap finish on carbide tipped measuring faces.• Spindle thread is hardened, ground and lapped.• Diameter of measuring faces: .256″• Ratchet stop thimble on all models.• Quick, easy zero adjustment on sleeve.• Positive locking nut on spindle.• Accuracy: .00016″• Parallelism: .00005″ for 0-1″• Flatness: .00003″• 0-1″ Range• .0001″ Graduation• Meets or exceeds Federal accuracy specs.• Includes wrench and fitted case.