Swanson Speedlite 12 in. L X 1 in. H Aluminum Speed Square

BIG 12 SPEED SQUARE W/LAYOUT BAR, BLUE BOOK The Big 12 Speed Squareis a 12-inch 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, & 7. Stair Layout Square. The Big 12 SpeedSquare 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 SwansonBlue Book for Roof and Stairway Layout as well as theLayout Barfor 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.