Rockwell SoniCrafter RW9018.3 1-1/8-Inch Universal End Cut Blade, 3-piece Ideal wood plastic, fiberglass, nails, non-ferrous metals, thin sheet metal, and hardened fillers. For plunge cutting up to 3/4-Inch depth. Bimetal with hardened teeth to cut non-ferrous metals Plunge cuts up to 3/4-Inch depth Bimetal with hardened teeth to cut non-ferrous metals Three pack