Steel Rule Flexible Thickness 0.02 in Graduation Marks 0.5 mm 1/64 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 Full-Flexible Rule Numeric Marks Inches Millimeters Numeric Format Decimal Fractional Length - SAE 12 in Length - Metric 300 mm Width - SAE 1/2 in