Straight Edge, Flatness Tolerance Not Applicable, Calibration Certificate Not Certified, Straightness Tolerance 2.6 micron, Parallelism Tolerance Not Applicable, Thickness 0.24 in, Coating Chrome, Flexibility Rigid, Edge Style Beveled, Color Black, Backing Material Not Applicable, Finish Satin, System of Measurement Metric/SAE, Includes Case, Length - SAE 5 7/8 in, Length - Metric 150 mm, Width - SAE 1/4 in, Width - Metric 6 mm, Magnetic Nonmagnetic, Material Stainless Steel