6-7″ C-Type Outside Micrometer ~ .0001″ Graduation ~ Solid Mitutoyo style metal C-shape frame for all sizes. ~ Hardened and precision ground anvil spindle thread with microlap finish on ends. ~ Positive locking clamp with ratchet stop. ~ Carbide tipped face. ~ Meets or exceeds federal specifications. ~ Supplied with standards and a fitted case. .0001″ Graduation. Carbide tipped face. Supplied with fitted case. Solid Mitutoyo style metal C-shape frame for all sizes. Hardened and precision ground anvil spindle thread with microlap finish on ends. Positive locking clamp with ratchet stop. Meets or exceeds federal specifications.