Rigid Rule, Thickness 0.04 in, Graduation Marks 1/64 in, Coating Chrome, Graduation Color Black, Flexibility Rigid, Graduation Mark Style Etched, Edge Style Square, Orientation Horizontal, Folding Rule Type Not Applicable, Backing Material Not Applicable, Finish Satin, System of Measurement Metric/SAE, Accuracy +/- 0.008 in, +/- 0.2 mm, Includes Pouch, Rule Type Rigid Rule, Numeric Marks Inches, Millimeters, Numeric Format Decimal, Length - SAE 6 in, Length - Metric 152.4 mm, Folded Length 6 in WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov - Nickel (Metallic)