The Milwaukee Universal Fit Open-Lok 21-Piece Oscillating Multi-Tool Blade Kit offers users blades for multiple applications with a Modular Oscillating Blade Case. The Titanium Enhanced Bi-Metal Blades use premium high-speed steel and last up to 15X longer than standard high carbon steel blades. This Milwaukee oscillating multi-tool blade kit includes bi-metal blades ideal for smooth cuts in wood and nails, PVC, drywall, and a Japanese Tooth blade with Pro-Curve for fast, clean cuts and greater control in hardwood, clean wood, PVC, and drywall. The included oscillating multi-tool wood blades have aggressive, precision ground teeth for fast cuts in wood, drywall, and PVC. The stainless-steel rigid scraper blade is great for removing adhesives and cutting with its sharpened edge. The 3-1/2" Triangle Sandpaper comes in 60, 120, and 240 grit sizes. This kit also includes the Milwaukee Modular Oscillating Blade Case, allowing users to safely and easily customize their oscillating blade storage, and fits in Milwaukee Packout.