Micro-lapped carbide tipped measuring face gives mirror finish on the measuring faces to make more accurate reading
Clear graduation on satin chrome finish on spindle sleeve to increase readability
Advanced spindle design in hardened and precision ground lead screw threads give reliable and accurate reading.
Rotating the thimble sleeve when the inspection piece is between the spindle and anvil activate the ratchet mechanism to tap the spindle and apply uniform measuring force to the inspection piece. Also easier to use in one-hand operation and improves measurement repeatability than ratchet-stop style micrometer