This Triangular Carbide Rasp is a 3-1/8-Inch triangular shaped diameter rasp that aggressively and quickly removes material such as wood, tiles, adhesives, cement and motar products during a variety of construction projects. This GAMT741 Triangular Carbide Rasp Universal Accessory fits almost All Oscillating Tools on the Market, most with NO Adaptor Needed and is an excellent accessory for our popular Genesis GMT15A, GMT16V and GMT25T Oscillating Tools.