Dremel Universal Dual-Interface blades require no adapter. The unique interface fits any oscillating tool except those with Starlock interface. This 7 piece variety set includes (1) MM480U 1-1/4 In. high carbon steel wood blade, (1) MM473U 1-1/4 In. high carbon steel wood fine cut blade, (1) MM450U 3-1/2 In. high carbon steel wood/drywall blade, (2) MM482U 1-1/4 In. bi-metal wood/metal blade, (1) MM494U 2-3/4 In. bi-metal wood/metal blade, (1) MM485U 1-5/8 In. carbide blade. These blades work well on a variety of materials such as drywall, wood and metal. Cut openings in flooring for venting, in walls for electrical boxes; repair damaged flooring, cut holes for doorjambs, cut track strips and base boards for flooring installation. This kit includes a storage case to quickly and easily store the blades.