Carpenter Square Base Length 8 in Base Width 1 in Blade Length 12 in Blade Width 1 1/2 in Blade Material Steel Graduation Mark Style Printed Graduation Marks - Base 1/16 in Graduation Marks - Blade 1/16 in Specialized Scales Not Applicable Base Material Aluminum System of Measurement SAE Square Type Framing Square Coating Clear Edge Style Square Features Folds Flat Head Adjusts to any Angle Finish Anodized Graduation Color Black Straightness Tolerance Not Applicable