ACTOMASTER is a brand registered by a top-level manufacturer of oscillating tool blades, which is the original factory of many market-leading brands. ACTOMASTER oscillating saw blades feature excellent cutting performance with longer life. Laser etched logo & scale, paint-free coating add durability. The high performance carbide teeth allows you to cut through concrete nails, stainless nails, deck screws, cement board, fiber glass, sheet metal, hardwood etc. Fit-universal system fits on most oscillating multi tools on market: Dewalt, Porter Cable, Cratsman, Black+Decker, Milwaukee, Ryobi, Bosch & Fein (non-starlock), Dremel, Makita, Rockwell, Bauer, Hercules and more.