Milwaukee Universal Fit OPEN-LOK 9-Piece Oscillating Multi-Tool General Purpose Variety Pack offers a versatile assortment of top-performing oscillating blades. The included Titanium Enhanced Carbide Teeth Blade is designed to last up to 50X longer in extreme metals compared to standard bi-metal blades. The Carbide Teeth are ideal for cutting screws, bolts, metal pipe, nails, and more. The Titanium Enhanced Bi-Metal Blade uses premium high-speed steel and lasts up to 15X longer than standard HCS (High Carbon Steel) blades. The bi-metal blade is ideal for smooth cuts in wood & nails, PVC (polyvinyl chloride), and drywall. The segmented blade is great at maintaining a long straight cut, cutting up to corners, and flush cutting. The Triple Ground Japanese Tooth Blade delivers up to 2X faster cuts than the previous Milwaukee HCS blade and features a PRO-CURVE cutting edge for greater control. 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. Includes (2) 1-3/8 In. HCS (High Carbon Steel) wood blade, (2) 1-3/8 In. HCS Japanese Tooth Pro-Curve hardwood blade, (2) 1-3/8 In. titanium enhanced bi-metal multi-material blade, (1) 2-1/2 In. titanium enhanced bi-metal multi-material blade, (1) 3-1/2 In. titanium enhanced bi-metal multi-material segmented blade, (1) 1-3/8 In. titanium enhanced carbide teeth metal blade, and storage case.