Swanson Tool Company Big 12® Speed® Square W/Plain Markings, Blue Book

The Big 12® Speed® Square is a 12 in. Version of the Swanson® Speed® Square. This innovative tool combines 5 tools into 1: 1. Try Square, 2. Miter square, 3. saw guide, 4. line scriber, and 5. protractor. The Big 12® speed®Â square is die-cast for durability and accuracy. Made of heavy-gauge aerospace Aluminum alloy, it is built to last. This model includes the Swanson®Â Blue Book for roof and stairway layout and also features markings for using the Swanson® one-number® method of rafter layout. 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. Note: this item does not include the layout bar or corresponding hardware used with the S0107 Big 12® speed®Â square.