Combination Square, Number of Pieces 1, Blade Finish Not Applicable, Blade Material Stainless Steel, Head Length 5 3/4 in, Head Width Not Applicable, Blade Length 12 in, Blade Thickness 0.85 in, Blade Width Not Applicable, Graduation Mark Style Printed, Graduation Marks - Front 1/32 in, 1 mm, Head Type Square, System of Measurement Metric/SAE, Head Material Cast Zinc, Includes Scriber, Head Vial Included Yes, Accuracy Not Applicable, Blade Coating E-Coating, Blade Color Silver WARNING: This product can expose you to chemicals including Lead, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov. - Nickel (Metallic)