Swanson 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.