The MILWAUKEE® NITRUS CARBIDE™ Extreme Materials Universal Fit OPEN-LOK™ Oscillating Multi-Tool Blades provide the ultimate cutting experience, delivering the fastest cutting and longest life on the jobsite. The extreme materials NITRUS CARBIDE™ multi-tool blade delivers 2X more cuts than Carbide Teeth blades - capable of hundreds of cuts in screw-embedded wood. The extreme materials blade is ideal for the fastest cutting in screw-embedded wood, nail-embedded 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.