Diablo, 3 piece universal fit bi-metal oscillating blade set consists of 1-1/4" bi-metal blade for clean wood, 3-1/2" bi-metal blade for general purpose cuts and 1-1/4" bi-metal blades. Diablo's universal fit bi-metal oscillating blades feature application specific designs that deliver extreme durability and superior cutting life in multiple applications ranging from nail-embedded wood, clean wood, metal and plastics. These high-performance blades feature an ultra-hardened cutting edge to deliver up to 5 times 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) keeps the teeth cool and build up free for fast, clean cuts. The blade's universal fit, adapter-free design easily attaches to most tools, with the exception of starlock tools.