Description Ideal for plunge cutting up to 1-5/8″ depth, shimming or precision cuts Bi-metal with hardened teeth for an EXTENDED LIFE For use on wood, plastic, fiberglass, nails, non-ferrous metals, thin sheet metal and hardened fillers Universal Fit Accessory – works with all brands of oscillating tools Includes free spacer for Bosch® & Dremel® and Universal Upgrade Ring for Original Sonicrafter hex interface models