Our Universal Fit OPEN-LOK� Titanium Enhanced Carbide Teeth EXTREME Materials Blades for Oscillating Multi-Tools are designed for use in the most Extreme material cutting applications. For use in wood, screws, nails, cement board, plaster, and other cutting applications, the Titanium Enhanced Carbide Teeth Extreme Materials Blade is complete with a thinner blade and unique aggressive tooth design that offers faster cutting performance in wood when compared to the standard carbide blade. The Extreme Materials Carbide Teeth Blade lasts up to 50X longer than standard bi-metal blades and can be used in a wide range of materials. These Milwaukee multi-tool blades are designed and made in the USA with global materials. This blade is available in 1-3/8� width in 1, 2, 3 and 5 packs.