Steel Rule Thickness 0.02 in Graduation Marks 1/64 in Coating Chrome Graduation Color Black Flexibility Flexible Graduation Mark Style Etched Edge Style Square Orientation Horizontal Folding Rule Type Not Applicable Backing Material Not Applicable Finish Satin System of Measurement SAE Features Non-Glare Surface Accuracy +/- 0.002 in Includes Case Rule Type Rule Numeric Marks Inches Numeric Format Decimal Fractional Length - SAE 6 in Length - Metric Not Applicable