Starrett Inside Micrometer 3-1/4 - 4" 67678

Product Highlights The Starrett 78XT Series Internal Micrometer features extended travel, reducing the need to exchange anvils. The ground contact points seat the internal micrometer faster and more accurately than the spherical contacts found in other gages. The rugged and accurate internal micrometer is available individually or in economical sets from .040-12" (1-300mm). 3 1/4-4" Range, w/3 Point Carbide Contact.