Ultra-thin kerf delivers more cuts per charge and extends cordless tool battery life. Face-ground, construction-grade carbide teeth for fast, clean cuts and long tool life. Aggressive hook angle for fast cuts. 24 tooth count blades are ideally suited for framing, ripping, and deck jobs. IRWIN Tools MARATHON Carbide Cordless Circular Saw Blade, 5 3/8-Inch, 24T, .063-inch Kerf (14017)