Ruler, Thickness 0.02 in, Graduation Marks 1/64 in, 1/100 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 SAE, Features Quick Reading, Rule Type Rule, Numeric Marks Inches, Numeric Format Decimal, Length - SAE 18 in, Length - Metric Not Applicable, Width - SAE 3/4 in, Width - Metric Not Applicable, Graduation Units Inches, Graduation Scale 5R