T-Square Base Length 12 3/8 in Base Width 2 5/8 in Includes Measuring Blade Length 24 in Blade Width 2 in Blade Material Aluminum Graduation Mark Style Printed Graduation Marks - Base 1 cm 1/16 in 1/32 in (1st 1 in) Graduation Marks - Blade 1/16 in 1/32 in (First 1 in) 1 cm Specialized Scales Not Applicable Base Material Plastic System of Measurement SAE Square Type T-Square Coating Not Applicable Edge Style Square Features Hang Hole Finish Matte Graduation Color Black