DEWALT these DT10397-QZ 165mm 40/24T Wood Elite Circular Saw Blades are in a pack of three, designed for users such as professional carpenters or woodworkers, using stationary machines to cut decorative softwood and composite materials. The blade’s fast, smooth cutting action and durable construction make them ideal for demanding job site operations. In addition, the wedge shoulder protects the carbide from nail impact. This handy pack of 3 blades contains 2 x DT10624 165mm 24T 20mm and 1 x DT10640 165mm 40T Extreme Circular Saw Blades.