SQUARE SPEED 7X7X1IN ALUMINUM

This unique tool is actually five tools in one like a try square, miter square, protractor, line scriber and saw guide. The Speed® square is constructed of durable heavy-gauge aluminum alloy. Includes markings for Swanson's one-number MethodSM of rafter layout and is packaged with the Swanson® blue book of rafter length and roof construction.