Framing Square, Base Length 24 in, Base Width Not Applicable, Blade Length 16 in, Blade Width 24 in, Blade Material Aluminum, Graduation Mark Style Etched, Graduation Marks - Base 1/10 in, 1/12 in, 1/16 in, Graduation Marks - Blade 1/10 in, 1/12 in, 1/16 in, Specialized Scales Octagon, Base Material Aluminum, System of Measurement SAE, Square Type Framing Square, Coating Not Applicable, Edge Style Square, Features Permanently Stamped Graduations and Numbers, Finish Anodized