Tool Big 12 Speed Square with Layout Bar Blue Book

The Big 12® Speed® Square is a 12 in. version of the Swanson® Speed® Square with added features for building stairs. This innovative tool combines 7 tools into 1: 1. Try Square, 2. Miter Square, 3. Saw guide, 4. Line scriber, 5. Protractor, 6. Out-of-square corner angle finder, and 7. Stair layout Square. The Big 12® Speed® Square is die-cast for durability and accuracy. Made of heavy-gauge aerospace Aluminum alloy, it is built to last. Black-filled gradations stand out against a matte finish for easy reading and are simple to use with the Swanson® one-number® method of rafter layout. This model includes the Swanson® Blue Book for roof and stairway layout as well as the layout bar™ for use in determining out-of-square corners when building stairways. The Swanson® Speed® Square is our most popular product and remains the most trusted Square of its kind. Look for the Diamond® cutout for genuine Swanson® products.