Empire 7 In. Magnum Heavy-Duty Rafter Square is crafted from solid aluminum extrusions that ensure durability and resistance to bending or breaking. This high-quality aluminum construction also prevents rust and corrosion, making it i for long-lasting use. The square features stamped conversion tables for easy and accurate measurements, while its thick edge provides a safer guide for saws. Designed for precision and reliability, this tool is for professionals and DIY enthusiasts alike. Model Number: 2990