The Milwaukee Universal Fit OPEN-LOK 5-Piece Oscillating Multi-Tool General-Purpose Set provides users an assortment of top-performing blades in the most common cutting applications: metal, wood & nails, and wood. The included Titanium Enhanced Carbide Teeth Blade lasts up to 50X longer in extreme metals than standard bi-metal blades. The Carbide Teeth are ideal for cutting screws, bolts, metal pipes, 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. This bi-metal multi-tool blade is ideal for smooth cuts in wood with nails, PVC, and drywall. The HCS Wood Blades are best for making fast cuts in wood and other PVC, drywall, and other soft materials. This oscillating tool blade variety pack is designed and made in the USA with global materials. The Milwaukee Ax Sawzall blades have been engineered to deliver the fastest cuts, longest life, greatest tooth durability, and quickest plunge cuts of any wood demolition blade. The Milwaukee AX with Carbide Teeth was engineered to deliver long life in the toughest applications while being the fastest carbide-tipped recip saw blades on the market. The new blades will deliver 50X longer life than standard bi-metal blades and 2X faster cutting than other carbide blades.