The MILWAUKEE® OPEN-LOK™ Multi-Tool Blade Variety Kit with Modular Case 15PC offers blades for a variety of cutting and sanding applications. The set includes a Carbide Teeth multi-material blade that lasts up to 50X longer than standard bi-metal blades and can be used in a wide range of materials while maintaining longer blade life such as; wood, screws, nails, cement board, plaster, and more. TITANIUM CHARGED™ Bi-Metal blades have an optimized titanium blend for maximum wear-resistance and up to 15x longer life vs. high carbon steel (HCS) blades. These bi-metal multi-tool blades are ideal for wood with nails, PVC, and drywall. The set also includes high carbon steel (HCS) blades designed with aggressive, edge-ground teeth for fast wood cutting. For sanding applications, the set includes a 3-1/2" Triangle Sanding Pad as well as 60, 120, and 240 grit size sandpaper. The blades feature a reinforced Universal Fit OPEN-LOK™ anchor for better strength & control and allow for quick blade changes across 100+ multi-tools. Not compatible with Starlock tools. The modular oscillating blade case is designed for use in PACKOUT™ and features removable pegs for complete storage customization.