Swirl Cup Diamond Grinding Wheels - Superior Coatings Removal Swirl Cups have a larger gap between segments making them the ideal wheel for removing coatings from hard surfaces. Swirl cup grinders provide the most aggressive cut leaving a smooth finish. Segments are slightly curved, a design that removes the debris away efficiently from the work surface helping to keep a clean line of sight. Strategically placed holes help ventilate dust from the surface extending life of the blades. Use on concrete, masonry, brick and stone. Can use wet or dry. High diamond concentrate. Brazed construction for superior durability. For a smooth finish, keep it moving in a steady motion over the surface to avoid gouging Designed for use on an angle grinder. All Prices Include GST