Mitutoyo 103 131 external micrometer ratchet imperial 0 1in 0 0001in mitutoyo 103 131 p this external micrometer ratchet imperial 0 1in 0 0001in from mitutoyo is the ideal lightweight tool for engineering and machining both at the workplace and home equipped with a range of rich features including the tungsten carbide tipped anvils positive locking clamp and enamel frame while the thimble and sleeve have a satin chrome finish p mitutoyo 103 131 external micrometer ratchet imperial 0