Satin chrome reading surface finished on barrel and thimble is glare free and resist rust
Carbide tipped measuring faces are fully hardened, precision ground and microlap finished to assure exceptionally accurate measuring
Advanced spindle design in hardened and precision ground lead screw threads give reliable and accurate reading
Microfine graduation .0001" on satin chrome finish on spindle sleeve to increase readability
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