⬥Versatile 7-in-1 Tool: The Big 12 Speed Square is a multi-functional tool that combines seven different tools into one compact design. It functions as a Try Square, Miter Square, Saw Guide, Line Scriber, Protractor, Out-of-Square Corner Angle Finder, and Stair Layout Square.

⬥Built to Last: Constructed from heavy-gauge aerospace aluminum alloy, this speed square is durable and designed to withstand rigorous use. Its die-cast construction ensures accuracy and longevity, making it a reliable tool for professionals and DIY enthusiasts alike.

⬥Easy-to-Read Gradations: The black-filled gradations on the matte finish of the speed square provide excellent visibility and readability. The Swanson One-Number Method simplifies rafter layout, allowing for precise measurements and easy calculations.

⬥Complete Set: This model includes the Swanson Blue Book for Roof and Stairway Layout, providing valuable reference and guidance for layout tasks. It also comes with the Layout Bar, which is useful for determining out-of-square corners when building stairways.

⬥Trusted and Recognizable: The Swanson Speed Square is a well-known and trusted tool in the industry. Look for the Diamond cutout to ensure you are getting a genuine Swanson product. The Big 12 Speed Square is a popular choic