Circumference: 8480-9760 mm Diameter: 2700-3100 mm Reading: 0.1 mm Cross section: 0.1 mm DIN 2014 / 32 / EU Version etched in mm ; hardened spring steel ; with etched or laser engraved scale ; for measuring diameters and circumferences ; application areas are among others manufacturers of: pipelines. boiler and tank construction. tire industry. forestry. etc. ; graduation in mm or inch available ; accuracy of total length with etched metric graduation according to EC II ; accuracy of total length with laser engraved metric graduation according to EC I made in germany