Knotted cup brushes are robust specialty brushes designed for intensive surface treatment. They are ideal for removing rust, scale, paint, and slag, as well as for cleaning and treating weld seams, and ensure efficient preparation and finishing of workpieces.

They are used in particular in the automotive and construction industries, the trades, the metalworking industry, and shipbuilding, and enable the processing of a wide variety of materials such as aluminum, stainless steel, wood, copper, steel, titanium, and zinc.