Rigid Rule Thickness 0.05 in Graduation Marks 0.5 mm Coating Chrome Graduation Color Black Flexibility Rigid Graduation Mark Style Etched Folding Rule Type Inside Read Backing Material Vinyl Finish Satin System of Measurement Metric Accuracy + 0.004 in/- 0.0035 in Includes - Rule Type Rule Numeric Marks Millimeters Numeric Format Decimal Length - SAE Not Applicable Length - Metric 150 mm Folded Length 6 in Width - SAE Not Applicable Width - Metric 19 mm