RE-ENGINEERED 3M PRECISION-SHAPED GRAIN: Uses Re-Engineered Precision Shaped Grain, a proprietary technology designed with sharp, angular structures that continuously fracture to form sharp points to wear evenly, run cool, and optimize mineral breakdown A WHOLE NEW CUT LEVEL: Delivers up to 53% faster initial cut rate and up to 43% faster sustained cut rate compared to the 3M™ Cubitron™ II Fibre Disc 987C, 36+ BUILT TOUGH: A stiff fiber backing and strong resin bond provide durability and tear resistance for heavy grinding applications, such as medium to high-pressure grinding, weld removal, and beveling — including robotic operations