Starrett 234A-1 End Measuring Rod with Insulated Handle and Spherical Ends, 1" Length

Item Description Length: 1" Diameter: 1/4" End geometry: Spherical With insulating handle Rods or “standards” are for checking and setting micrometers of 2" capacity and larger Used on machine tools for comparing gages Ideal for checking precision measuring tools Useful for measuring parallel surfaces Insulated handles to minimize expansion by heat when held in the hand These standards are the ones used for all micrometers furnished with standards Made of special tool steel in rod form with ends hardened and accurately lapped to a spherical radius With box