Steel Rule Flexible Thickness 0.02 in Graduation Marks 0.5 mm 1/50 in Coating Chrome Graduation Color Black Flexibility Flexible Graduation Mark Style Etched Folding Rule Type Not Applicable Backing Material Not Applicable Finish Satin System of Measurement Metric/SAE Features Quick Reading Includes - Rule Type Rule Numeric Marks Inches Millimeters Numeric Format Decimal Fractional Length - SAE 11 3/4 in Length - Metric 300 mm Width - SAE 1/2 in Width - Metric 12.7 mm