You are bidding on a A Lufkin 611T chrome clad 0-1 inch thread micrometer.  It measures 14-20TPI.  IT was never used, still in original box with all paperwork The box is faded from age, the mic, has no initials or marks or damage. It has superior features and chrome clad , rust and wear resistant with a hardened ground thread.  FREE SHIPPING!!!  Excellent Deal!!! Thanks for looking, I have other tools  in which I can ship more than one at a cheaper rate, so watch for my other tools. Email me if you have questions.