Circumference 60 - 2200 mm. diameter 20 - 700 mm. reading 0.1 mm. cross section of article 13 x 0.2 • Graduation: continuous in mm • Raised markings and figures in bright natural steel colour on a dark. etched background • For measuring diameters and circumferences • Application areas are among others manufacturers of: pipelines. boiler and tank construction. tire industry. forestry. etc. • Accuracy of total length with etched metric and laser engraved metric graduation according to EC II • Hardened spring steel or stainless spring steel