Imperial Blades' One Fit" 2-1/2" Diamond Grit Segment Boot Blade features synthetic diamond grit for up to 5X longer life than Imperial carbide grit blades. The "boot" shape delivers maximum efficiency during grinding but minimizes the risk of damaging surrounding tile. Recommended applications are: Brick Mortar, Manufactured Stone, Tile Grout, Plaster and more. Popular projects include removing stubborn grout between and cutting out marble and concrete joints. One Fit" anchor fits majority of non-Starlock multi-tools: Milwaukee, Ridgid, Ryobi, Bosch, DeWalt, Dremel, Fein, Makita, Rockwell and more.