Designed for grinding stainless steel. We developed the PRO Stainless Steel for metalworkers who need a reliable and durable grinding wheel for stainless steel. Premium aluminum oxide grinding grains ensure that this PRO Stainless Steel bonded grinding wheel efficiently grinds stainless steel. The grains have been supplemented with fillers and additives to reduce heat generation. A precision-engineered fiberglass mesh reinforces the wheel, making it more stable and safer to use. It is free from iron, so you don't have to worry about rust on your workpiece when cutting stainless steel exclusively. With a 22.23 mm bore diameter for standard angle grinders with a clamping nut.