Milwaukee Universal Fit OPEN-LOK 3-Piece Oscillating Multi-Tool All-Purpose Variety Pack is an assortment of top-performing blades in the three most common cutting applications: metal, wood & nails, and hardwood. The included Titanium Enhanced Carbide Teeth Blade is designed to last up to 50X longer in extreme metals compared to standard bi-metal blades. The Carbide Teeth are ideal for cuts in screws, bolts, metal pipe, nails, and more. The Titanium Enhanced Bi-Metal blade uses premium high-speed steel and lasts up to 15X longer than standard high carbon steel (HCS) blades. The bi-metal multi-tool blade is ideal for smooth cuts in wood with nails, PVC, and drywall. The Triple Ground Japanese Tooth Blade delivers up to 2X faster cuts than the previous Milwaukee HCS blade and features a PRO-CURVE cutting edge for greater control. Ideal for fast, clean cuts in hardwood and can also be used in other woods, PVC, and drywall. Includes 1-3/8 In. HCS Japanese Tooth Pro-Curve Hardwood Blade, 1-3/8 In. Titanium Enhanced Bi-Metal Multi-Material Blade, 1-3/8 In. Titanium Enhanced Carbide Teeth Metal Blade.