These DEWALT circular saw blades are designed for use with stationary machines to cut softwoods and composite materials. Their fast, smooth cutting action and durable construction make them ideal for demanding jobsite operations. In addition, the wedge shoulder protects carbide from nail impact.The DEWALT DEWDT1161QZ Series 30 stationary circular saw blades have the following specifications:Blade Diameter: 305mm Bore: 30mm Plate Thickness: 2.0mm Kerf Thickness: 3.0mm Tooth Count: 48 Grind: Alternate Top BevelRake: +10°