Diablo's universal fit bi-metal oscillating blades feature application-specific designs that deliver extreme durability and superior cutting life in multiple applications, including cutting nail-embedded wood, clean wood, metal and plastics. These high-performance blades feature an ultra-hardened cutting edge to deliver up to 5X longer life than standard blades. 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) coating protects cutting edge against wear for extreme durability and longer blade life. The blade's universal fit, adapter-free design easily attaches to most tools, with the exception of Starlock tools.