The DEWALT Series 40 Extra Fine Finish Circular Saw Blade is designed for use in stationary saws. With large, general purpose K10 carbide tips for cutting wood and non-ferrous metals. They can be resharpened up to 15 times. High precision laser manufacture ensures a flat blade body and engineered expansion slots prevent blade overheating and warping. These blades are designed with triple chip grind geometry which gives an excellent surface finish on the workpiece.