End Measuring Rod with Insulated Handle and Spherical Ends, 37" Length
234 standards are the ones used for all micrometers furnished with standards
Ideal for checking precision measuring tools
Larger sizes available on special order
Made of special tool steel in rod form with ends hardened and accurately lapped to a spherical radius
Rods or standards are for checking and setting micrometers of 2" capacity and larger
Used on machine tools for comparing gages
Useful for measuring parallel surfaces
With insulated handles to minimize expansion by heat when held in the hand