The Milwaukee OPEN-LOK DIAMOND MAX Diamond Grit Grout Removal Oscillating Multi-Tool Plunge Blades deliver 15X longer life than standard carbide grit blades when removing grout. DIAMOND MAX Diamond Grit offers best-in-class performance with higher-grade diamonds for maximum heat and fracture resistance. The unique bonding process provides improved diamond retention. Designed with a smaller curved edge and extended length, the blade shape allows for more control and faster grout removal. These 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.