Imperial Blades IBOA600-1 One Fit Dual Carbide Grit Rasp, 3 InchImperial Blades' One Fit 3 inch Dual Carbide Grit Rasp is coated with a coarse carbide grit bottom for aggressive material removal over large surfaces. Highlights: Size : 3 inch Dual carbide grit rasp is coated with both fine and coarse carbide grit for greater versatility while grinding and rasping Fine carbide coated edge allows for removing tile grout without damaging surrounding tiles The coarse carbide grit bottom aggressively removes material