12", 100 Tooth Carbide Tipped, Marathon Circular Saw Blade, 1" Arbor, Thin Kerf For Faster, 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, Clam Pack.