Mul-T-Square Base Length Not Applicable Base Width Not Applicable Includes Blade Handle Blade Length 29 in Blade Width 9 in Blade Material Aluminum Graduation Mark Style Printed Graduation Marks - Base 1 mm 1/8 in Graduation Marks - Blade 1 mm 1/8 in Specialized Scales Not Applicable Base Material Aluminum System of Measurement SAE Square Type Mul-T-Square Coating Anti-Rust Edge Style Square