Engineer's spring tempered rigid steel blades. Made from the finest quality spring tempered stainless steel and finished in satin chrome. Anti-glare finish with permanent black figures and graduations. Features and Benefits • Anti-glare finish with permanent black figures and graduations for easy reading • Round end complete with hanging hole for easy storage • Anti-rust Notes • Accuracy: ± 0.2mm full scale • Constant at 20°C • Metric - subdivided to 0.5mm and 1mm, figured every 10mm • subdivided to 1/16 inch, 1/32inch and 1/64inch, figured every inch