Swanson 12" Big Speed Square Layout Tool w/ Blue Book

Key item features
Versatile Functionality: This 12-inch square serves as a try square, miter square, saw guide, line scriber, and protractor, streamlining framing, roofing, and general carpentry tasks.
Clear Markings: Features clearly marked angles for quick layout of 90 and 45-degree cuts, along with notches at 0.25" and 0.5" intervals for scribing.
Secure Design: Includes a lip (base, fence, foot) that fits securely against board edges for consistent, repeatable measurements.
Durable Construction: Crafted from durable, heavy-gauge aerospace aluminum alloy, it resists rust and corrosion, making it suitable for both indoor and outdoor jobsites.
Lasting Accuracy: Die-cast for lasting accuracy, this square maintains its precision over time and is not brittle.
Anti-Glare Finish: Features an anti-glare matte finish for improved visibility during use.
Included Resource: Comes with the Swanson Blue Book for Roof and Stairway Layout, including markings for the Swanson One-Number Method of rafter layout.