Mitutoyo 103 129 external micrometer ratchet metric 0 25mm 0 001mm mitutoyo 103 129 p this external micrometer ratchet metric 0 25mm 0 001mm 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 103 129 external micrometer ratchet metric 0 25mm 0