T-Square, Base Length 6 in, Base Width 1 in, Includes Measuring, Blade Length 12 in, Blade Width 1 in, Blade Material Plastic, Graduation Mark Style Printed, Graduation Marks - Base 1 cm, 1/16 in, Graduation Marks - Blade 1 cm, 1/16 in, Specialized Scales Not Applicable, Base Material Plastic, System of Measurement SAE, Square Type T-Square, Coating Not Applicable, Edge Style Square, Features Easy to See Through, Finish Matte, Graduation Color Black, Straightness Tolerance Not Applicable