Diablo's Demo Demon bi-metal oscillating blades feature application specific designs that deliver maximum durability and longer life in nail-embedded wood applications. These high-performance blades feature an ultra-hardened cutting edge to deliver up to 5X longer life than standard bi-metal blades. Curve contact edge creates a pilot for precise, clean plunge cuts with less vibration. Black I.C.E. (Industrial Cooling Element) protects the cutting edge against wear, delivering extreme durability and fast, clean cuts. Diablo offers a true universal fit interface system. This adapter free system features two positions allowing it to fit all major tool brands such as DeWalt, Dremel, Milwaukee and more.