MILWAUKEE® NITRUS CARBIDE™ Extreme Materials Universal Fit OPEN-LOK™ Oscillating Multi-Tool Blades provide the ultimate cutting experience, delivering the fastest cuts and longest life in the toughest applications. The NITRUS CARBIDE™ Extreme Materials Multi-Tool Blade makes 2X more cuts than carbide-toothed blades—capable of hundreds of cuts in screws embedded in wood. The Extreme Materials blade is ideal for the fastest cuts in screws embedded in wood, nails embedded in wood, plaster, cement board, drywall, and PVC. The new Universal Fit Open-Lok anchor is reinforced for added strength and control and allows for quick blade changes across 100+ multi-tools. Not compatible with Starlock tools. MILWAUKEE® Oscillating Multi-Tool Blades are designed and made in the USA with global materials. Available in 1, 3, or 5 packs.