Steel Rule, Graduation Marks 1/64 in, Coating Chrome, Graduation Color Black, Flexibility Rigid, Graduation Mark Style Etched, Finish Satin, System of Measurement SAE, Includes Case, Rule Type Rule, Numeric Marks Inches, Numeric Format Decimal, Length - SAE 12 in, Length - Metric Not Applicable, Width - SAE 1 in, Width - Metric Not Applicable, Graduation Units Inches, Graduation Scale 4R, Material Steel