The Diablo Carbide Oscillating Blade General Purpose 3pk 1-1/4" is a high-performance set of blades that deliver extreme durability and superior cutting life in general purpose cuts, including nail-embedded wood, clean wood, metal and plastics. Curve contact edge creates a pilot for precise, clean plunge cuts with less vibration. An optimized blade design and Black I.C.E (Industrial Cooling Element) keeps the teeth cool and buildup free for fast, clean cuts.