The Bosch PRO AIZ 32 AIB Plunge Cut Blade is not only highly capable on many materials, but also offer an outstanding working lifespan. Made from Bi-Metal for strength and endurance. Its teeth are coated for extra durability. The blade's Curved-Tec design makes it ideal for tear-free plunge cuts. The Starlock mount provides optimum power transfer and convenient blade change within 3 seconds. The mounting system produces the highest power transfer due to a 3-dimensional tight-fitting connection between machine and accessory. PRO AIZ 32 APIB for Long Life Cutting Wood, Soft Metal, and Plastic Professionals who value the multitool's ability to make plunge cuts, flush cuts, and precise cut-outs need an equally versatile blade that excels at these tasks: the PRO AIZ 32 APIB is not only highly capable in many materials, but also offers an outstanding working lifespan. Features Long Life cutting wood, soft metal, and plastic Combines hard teeth and flexible body through Bi-Metal welding