Framing Square Base Length 24 in Base Width 2 in Includes - Blade Length 16 in Blade Width 1 1/2 in Blade Material Steel Graduation Marks - Base 1/10 in (Back) 1/12 in (Back) 1/16 in (Back) 1/16 in (Face) Graduation Marks - Blade 1/10 in (Back) 1/12 in (Back) 1/16 in (Back) 1/16 in (Face) Specialized Scales Brace Octagon Base Material Steel System of Measurement SAE Square Type Framing Square Edge Style Square