Long lifespan when cleaning steel! Twisted premium wire for intensive cleaning. Are you a metalworker needing to clean steel efficiently? The PRO Metal heavy cup brush is a robust accessory suitable for this task. It works quickly and ensures clean, rough surfaces time and again. 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 twisted wire for heavy-duty cleaning tasks. The cup brushes are available with wires of various thicknesses. Use cup brushes with thicker wire for a fast, coarse finish and those with thinner wire for a smoother surface.