Square End – Flexible Blade | Spring tempered flexible steel blades. 12mm blade width. | | Finest quality spring tempered rustless steel. Satin chrome. Anti-glare finish with permanent black figures and graduations. Extremely easy to read. EEC Class one accuracy: /- 0.2mm full scale. Constant at 20C. | | Flexible Blade – Metric – subdivided to 0.5mm and 1mm, figured every 10mm. | Flexible Blade – Inch – subdivided to 1/16”, 1/32” and 1/64”, figured every inch, every 8/64”, and every 4/32”.