Cast Microfinish Comparator
Cast Microfinish Comparators. 9 - Specimens. Made in U.S.A. 9 Specimens Provided. Cast surface values for Die Casting, investment, Shell, Centrifugal, Permanent Mold Ferrous and Non-Ferrous, Sand and Green Sand from 20 to 900 Microinches. Model No. 16039, Complete With instructions, Engineering Data and Case.