Diablo D0641X Circular Saw Blade, 6-1/2"Super thin laser cut kerf provides faster, cleaner, more exacting cut, Perma Shield coating shields blade against heat, gumming and corrosion, Durable micrograin titanium carbide tipped teeth are impact resistant to hold their edge longer, Laser cut heat expansion slots reduce heat and blade warp, Tri metal shock resistant brazing for stronger carbide teeth Highlights: 6 1 2" 40 teeth Stabilizer vents minimize noise and vibration for cleaner cuts and