Starrett Mechanical Digit Micrometers
 - .001" is read directly from the counter.
 - .0001" or .001 mm is read from the vernier scale on the micrometer sleeve.
 - Clear, easily read numbers reduce errors.
 - Balanced frame design for comfortable and accurate measuring.
 - Tapered frame for use in narrow slots and tight places.
 - Micro-lapped carbide measuring faces.
 - No-glare satin chrome finish on thimble and sleeve.
 - No-glare black finish on the frame.
 - Ring-type knurled lock nut for quick and sure locking.
 - The anvil and spindle are sized at .250" (6.35 mm).
 - Extremely hard and stable one-piece spindle.
 - Smooth friction thimble for uniform pressure.