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 and nails, & 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 & 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. The Milwaukee WRECKER Sawzall Blade is designed for multi-material demolition cutting. It has the capability of cutting nail embedded wood, plastics, & a variety of metals. The Milwaukee WRECKER with Carbide Teeth SAWZALL Blades are the most versatile carbide blade on the market. These multi-material SAWZALL blades offer up to 50X more life vs. bi-metal reciprocating saw blades available today. The WRECKER Carbide SAWZALL blades allows for cutting into a wide variety of materials from clean wood to cast iron for quick demolition & remodeling work. Milwaukee Carbide Teeth products allow you to cut longer, cut more, & cut faster than other carbide-teeth blades on the market.