Imperial Blades IBOA620-1 One-Fit Triangular RASP Carbide BladeThe Imperial's Triangular RASP Carbide Blade is best utilized for coarse grinding, rasping, or aggressive material removal over large areas. Applications include wood, hardened adhesives, thin set, and masonry. Great for quick sanding of mortar. ONEFIT anchor to ensure proper fit on every oscillating tool. Applications: Tile, brick, thin set, mortar Coated with a carbide grit Great for quick sanding of mortar One Fit arbor to ensure proper fit on