Long lifespan for cleaning steel. Braided premium wire for intensive cleaning. Are you a metalworker needing to efficiently clean steel? The PRO Metal heavy cup brush is a robust accessory suitable for this task. It works quickly and consistently delivers clean, rough surfaces. The PRO Metal heavy cup brush is a durable addition to any metal workshop where weld seams, heavy rust, old paint, coatings, and underbody protection need to be removed from steel surfaces. The wire cup brush is equipped with high-quality braided wire for heavy-duty cleaning tasks. The cup brushes are available with wires in various thicknesses. Use cup brushes with thicker wire for a fast, coarse finish and those with thinner wire for a smoother surface.