Combination Square Number of Pieces 2 Blade Finish Not Applicable Blade Material Stainless Steel Head Length 4 3/4 in Head Width Not Applicable Blade Length 12 in Blade Thickness 0.85 in Blade Width Not Applicable Graduation Mark Style Etched 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