Rockwell RW8929.3 1-3/8-Inch Sonicrafter Bi-Metal And Wood End Cut Saw Blade With Universal Fit System, 3-Pack. 1-3/8-Inch Bi-Metal End Cut Saw Blade. Use To Make Plunge Cuts Up To 1-5/8-Inch Deep. Cut Wood, Plastic, Fiberglass, Nails, Non-Ferrous Metals, Thin Sheet Metal, And Hardened Fillers. Hardened Teeth Will Cut Non-Ferrous Metals. Universal Fit System Adapts To Other Brands.