Graduation : SAE Measuring Range : 1/8 In Material : Steel Length : 24 In Width : 16 In Thickness : 1/16 In Includes : Conversion Tables, Stamped Graduations
Material : Aluminum Length : 7-1/4 In Width : 7 In Thickness : 7/8 In Includes : Swanson Blue Book Of Rafter Length And Construction Rafter Tables And Conversion Charts