b'Made IN CLEVELAND, OHIOSetting the Standards of AccuracyPrecision gage blocks are the primary reference point for accuracy and quality control. And Starrett-Webber blocks are the industrys finest. How fine? Starrett-Webber croblox Grand Masters, produced in 1955 to an accuracy within one millionth of an inch, have been checked periodically by NIST and Gage Blocks / Standardshave remained stable! Only Starrett has and M1 Lubricant achieved this feat. Only in America.Made in Ohio10'