The semi-circular design allows the blade to cut completely into corners without damaging the opposing material.
Versa Tool AB5K 63mm Semi-Circular Carbide RASP, 8mm Offset Mount Fits Fein Multimaster, Dremel, Bosch, Craftsman, Ridgid Oscillating Tools - 5/PkMade with brazed shards of abrasive carbide material, the 63-mm rasp will effectively remove grout lines during a tile replacement project. Flush cut arbor design for ease of use in demanding situations. The brazed carbide design allows this product to grind hard materials such as concrete, brick and dried epoxies and paint.