7 Piece, Dremel Cutting Set. Includes a Mix of Drywall, Wood, and Wood & Metal, Carbide Dual Interface Oscillating Blades. Universal dual interface directly fits all oscillating tools without the use of an adapter, *excluding StarLock, Compatible with Dremel, Bosch, Makita, Milwaukee, Rockwell, DeWalt, Fein, Porter Cable, Ridgid. Allows fast accessory changes. Includes 1 piece high carbon steel blade for drywall; 2 pieces high carbon steel blades for wood; 2 pieces bi-metal steel blades for wood & metal; 1 piece bi-metal steel blade for 2x4 and pipes; 1 piece carbide blade.