The MILWAUKEE NITRUS CARBIDE Extreme Metal 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 metal NITRUS CARBIDE multi-tool blade delivers up to 2X more cuts than Carbide Teeth blades - capable of hundreds of cuts in deck screws. The extreme metal blade is ideal for cutting metal fasteners such as bolts, screws, nails, and threaded rods. 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.