5-1/2", 24 Tooth Carbide Tipped, Marathon Circular Saw Blade, 10MM Arbor, Thin Thin Kerf For Fast, Cleaner Cuts, Heat Vents Reduce Heat That Causes Build Up & Pitch, Precision Honed C3 Tungsten Carbide Tips Hold Edge Longer, Round Shape Means Each Tooth Cuts Uniform Equal Amount Of Wood, Blade Flatness Ensures Close Tolerances, Carded.