Rockwell, Tile Repair Kit, Includes Triangular Rasp, Carbide Grit Semicircle Blade & Diamond Coated Blade, Remove Old Grout, Score & Break Tile For Replacement, Grind Away Hardened Adhesives Or Shape New Tiles To Fit, For Sonicrafter Models: Rk5100k, Rk5101k & Rk5102k.