The Cup Brush is suitable for use on hand-held angle grinders, for polishing, light deburring work, and removing rust, paint, dirt, and scale. The brush with steel wire is used for flexible work on large steel surfaces. This cup brush is characterized by its dense filling and its concentricity. The aggressiveness is hard. The version in “Blister” packaging makes it easier for retailers to present the goods. The high-grade “Made in Germany” quality is often used in the metalworking industry and in craft businesses, car workshops, and by staircase, railing and container builders.