Dremel, Universal Dual Interface Oscillating, 1/16 in. grout removing blade. Universal dual interface directly fits all oscillating tools without the use of an adapter, *excluding StarLock, Compatible with Dremel, Bosch, Makita, Milwaukee, Rockwell, DeWalt, Fein, Porter Cable, Ridgid. Allows fast accessory changes. Used for removing grout between wall or floor tiles for repair, remodeling or restoration work, the grout blade is designed so that the blade can remove all grout up to the surface of a wall or corner. All Universal Dual Interface accessories are Max Performance Tested for endurance in real-life applications so that you can feel confident that every Multi-Max accessory you buy will have proven value and performance.