Diablo Universal Fit Carbide Oscillating Blade Set (3-Piece)High performance carbide for greater durability and up to 50X longer life versus standard bi metal blades General purpose blades feature Curve Contact Edge for precise, clean plunge cuts with less vibration and Black I. C. E. coated teeth for heat resistance, long life and superior chip evacuation Includes (1) DOU125CGP 1 1 4 In. Carbide Blade for General Purpose Cuts Includes (1) DOU275RCGP 2 3 4 In. Carbide Blade for General Purpose Cuts Includes