The 7 1/4" 6-tooth Fibercut Carbide Circular Saw Blade is designed for cutting single sheet fiber-cement board. The square top tooth grind and C4 carbide tip is great for maximum cutting life in single boards. The 6-tooth blade concept and unique shoulder design allow for faster cutting action and consistent chip removal. The hardened and tempered blade body allows for a longer life of the blade. The unique blade design reduces dust for a better working environment.