Irwin Marathon 12 In. 40-Tooth General Purpose Circular Saw Blade

Thinner kerf provides faster, cleaner, more exacting cuts. C3 carbide tipped teeth are precision honed and impact-resistant to hold their edge longer. Unique shoulder design puts more support behind each tooth for smoother, more exact cuts. Specially engineered heat vents eliminate blade warping. All except 3-3/8", 5-3/8", 5-1/2", 6-1/2", 9" and larger have diamond knockout.

• High Density Tungsten Carbide for Toughness and Long Life
• Thin Kerf Design for Fast Cuts
• Reinforced Shoulder for Durability
• Exclusive Every-Other-Tooth Design for Fast Cuts