Our Universal Fit OPEN-LOK™ Titanium Charged Bi-Metal Multi-Material Oscillating Multi-Tool Blades are made from premium high-speed steel. These bi-metal blades are ideal for cuts in wood, nails, PVC, and drywall. The MILWAUKEE® bi-metal multi-tool blades are enhanced with a titanium coating to deliver longer life and faster cuts than the previous generation. Our 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. With the new reinforced Universal Fit OPEN-LOK™ Anchor for added strength and control. These oscillating multi-tool blades are designed and made in the USA with global materials.