Attributes . Knot Wire Wheel BrushRugged knot-type construction provides high brush flexibility, more uniform results, maimum safety and efficient operation at high speeds. Brushes larger than 6" should be mounted on stationary tables; those 6" and smaller can be mounted to stationary installations or attached to portable tools. Applications: Removal of Rubber Flash, Paint Slag, Scale, Rust, Surface Contamination, Weld Cleaning, Blending, Finishing, Deburring, Descaling, Skiving, Pipeline Cleaning, General Cleaning . Names