Features: * 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 * For use on Rockwell SoniCrafter and Shop Series SonicTool models RK5139K, RK5139K, RK5140K, SS5120 What"s In The Box: * Rockwell RW8929.3 1-3/8-In SoniCrafter Universal Bi-Metal End Cut Blade - 3-Pack