The Milwaukee Universal Fit OPEN-LOK 12-Piece Oscillating Multi-Tool General Purpose Blade Kit offers users an assortment of blades for the most common applications. The included Titanium Enhanced Bi-Metal blade uses premium high-speed steel and lasts up to 15X longer than standard high carbon steel blades. The bi-metal blade is ideal for smooth cuts in wood and nails, PVC, and drywall. The Triple Ground Japanese Tooth Blade delivers up to 2X faster cuts than the previous Milwaukee High Carbon Steel (HCS) blade and features a PRO-CURVE cutting edge for greater control. These multi-tool blades are ideal for fast, clean cuts in hardwood and can also be used in other woods, PVC, and drywall. The oscillating wood blades have been designed with aggressive, precision ground teeth for fast cuts in wood, drywall, and PVC. This oscillating tool blade variety pack is designed with global materials and includes a storage case.