Rigid Rule, Thickness 0.02 in, Graduation Marks 1/64 in, Coating Chrome, Graduation Color Black, Flexibility Flexible, Graduation Mark Style Etched, Folding Rule Type Inside Read, Backing Material Vinyl, Finish Satin, System of Measurement SAE, Accuracy + 0.006 in/- 0.0035 in, Rule Type Rule, Numeric Marks Inches, Numeric Format Decimal, Length - SAE 18 in, Length - Metric Not Applicable, Folded Length 6 in, Width - SAE 13/16 in, Width - Metric Not Applicable, Graduation Units Inches