The Knot End Brush can be mounted in hand grinders or flexible shafts. It is used for working on hard-to-reach areas, for cleaning corners, indentations, and bores. It is also used for cleaning moulds/castings and removing paint and rubber residues. The steel filling is suitable for steel surfaces. The aggressiveness is soft and the application has an aggressive effect. With its fixed 6 mm shaft, the brush is suitable for professional use. The maximum RPM is 4500. The high-grade “Made in Germany” quality is often used in th metalworking industry, in craft businesses, car workshops, and by staircase, railing and container builders.