The MILWAUKEE OPEN-LOK All-Purpose Oscillating Multi-Tool Blade Variety Pack 3PC provides you with an assortment of blades in the three most common cutting applications: metal, wood & nails, and hardwood. The set includes a Carbide Teeth metal blade that lasts up to 50X longer than standard bi-metal blades and can be used in a wide range of metal materials while maintaining longer blade life such as; screws, bolts, nails, and more. The TITANIUM CHARGED Bi-Metal blade has an optimized titanium blend for maximum wear-resistance and up to 15x longer life vs. high carbon steel (HCS) blades. The bi-metal multi-tool blade is ideal for wood with nails, PVC, and drywall. The Triple-Ground Japanese Tooth hardwood blade delivers up to 2X faster cuts than the previous Milwaukee HCS blade and features a PRO-CURVE cutting edge for greater control. The Japanese Tooth blade is ideal for fast, clean cuts in hardwood and can also be used in clean wood, PVC, and drywall. These blades feature a reinforced Universal Fit OPEN-LOK anchor for better strength & control and allow 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.