The DeWalt 5-3/8-Inch 30-Tooth Carbide Saw Blade is designed for cutting aluminum and nonferrous metals such as brass and copper. Intended for use with DeWalt cordless 5-3/8 trim saws, these carbide blades feature ultra-thin kerf blade design to yield more cuts per charge-by-minimizing battery drain. Heavy-duty tungsten carbide tips maintain sharp cutting edge for longer life. It comes with a 1-year warranty.