The Milwaukee Universal Fit OPEN-LOK 15-Piece Oscillating Multi-Tool Blade Kit offers blades for multiple applications with a Modular Oscillating Blade Storage Case. The Titanium Enhanced Carbide Teeth Extreme Materials blade uses unique aggressive carbide teeth for faster cutting and lasts up to 50X longer than bi-metal. The Titanium Enhanced Bi-Metal Blades use premium high-speed steel and last up to 15X longer than standard high carbon steel blades. The oscillating multi-tool blade set includes bi-metal blades ideal for smooth cuts in wood and nails, PVC and drywall. The included oscillating tool wood blades have aggressive, precision ground teeth for fast cuts in wood, drywall and PVC. The 3-1/2 in. Triangle Sanding Pad comes with sandpaper in 60, 120 and 240 grit sizes. This kit also includes the Milwaukee Modular Oscillating Blade Storage Case, allowing you to safely and easily customize your oscillating blade storage.