The Swanson Framing Wizard is an innovative masterpiece that combines five tools into one: a framing square, a try square, a miter square, an angle finder, & a saw guide. This compact folding square is constructed of high-grade anodized aluminum &includes precision laser-etched markings for the ultimate accuracy. An adjustable layout tab slides along the blade, making it simple to measure angles &mark ridge cuts. This tool also includes a helpful instruction booklet with diagrams for using the Swanson One-Number Method for common, hip, &valley rafters. A hinged mechanism features an easily adjustable set screw (Allen wrench included) that allows the user to bring the square back to a perfect 90 if the tool ever becomes out of square. The Framing Wizard folds down easily to fit into a standard toolbox &is the only portable framing tool for 12", 16", &24" on-center layout. The Framing Wizard is truly a square that does it all, making it a must-have for any toolbox.