Combination Square Blade, Compatible with Manufacturer Model Number C11H-6-4R, Compatible with Grainger Part Number 2ZUP8, Graduation Units Inches, Millimeters, Blade Coating Chrome, Blade Finish Satin, Blade Length 6 in, Blade Material Steel, Blade Thickness 0.078 in, Compatible Head Type Bevel Protractor, Square, Graduation Scale 4R, Blade Width 3/4 in, Graduation Marks 1/64 in, Quick Reading 1/32 in, System of Measurement Metric/SAE