The Knot Wheel Brush is suitable for use on hand-held angle grinders, for processing weld seams, and for removing scale, rust, paint, slag, and concrete residue. The brush with steel wire is suitable for processing large steel surfaces. The knotted pipeline brush is suitable for professional use and, due to its knot width of 6 mm, ideal for narrow grooves. This brush is mainly used in pipeline construction. Due to the high number of knots, it is an ideal tool. The left-right knotted brush is usually more aggressive and ideal for processing corners and edges. The high-grade “Made in Germany” quality is often used in the metalworking industry, in craft businesses, car workshops, and by pipeline, staircase, railing, and container builders.