Irwin Marathon 7-1/4 in. 24-Tooth Framing/Ripping Circular Saw Blade is designed to deliver faster, cleaner, and more precise cuts thanks to its thinner kerf. The blade features C3 carbide tipped teeth that are precision honed and impact-resistant, ensuring they hold their edge longer for extended use. Its unique shoulder design provides additional support behind each tooth, resulting in smoother and more accurate cuts. Specially engineered heat vents help prevent blade warping during use, maintaining performance and durability. This blade also includes a diamond knockout for easy removal. Model Number: