Framing Square, Base Length 24 in, Base Width 1 1/2 in, Blade Length 24 in, Blade Width 2 in, Blade Material Steel, Graduation Mark Style Printed, 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 Steel, System of Measurement SAE, Square Type Framing Square, Coating Anti-Rust, Edge Style Square, Features 1/8 in Thick, EZ Read(TM) Permanent Thermal Bonded Markings, Rafter and Essex Board Measures