This Starlett Steel Micrometer Head has advanced sleeve design with staggered lines and distinct figures for precise and easy readability. It was made for quick and easy adjustments and reading figures. It has extremely hard and stable one-piece spindle which is the reason for Starlett's accuracy and long life. It also contains a micro-lapped measuring face for flatness and squareness. These Micrometers we have have cosmetic wear mostly near the front of the micrometers.