Long lifespan for cleaning steel, non-ferrous metals, and hardwood. Brass-plated crimped wire for easier cleaning tasks. Do you need a durable cup brush for cleaning large surfaces? Then the PRO Multi Material clean cup brush is the right choice. It features high-quality, brass-coated crimped wire to effectively remove rust, strip old paint and coatings, and assist you with all rough and matte grinding tasks. The PRO Multi Material clean cup brush is made with premium brass-plated crimped wire to give you a fine finish on steel, non-ferrous metals, and hardwood. It removes rust, old paints, and coatings, helping you with scrubbing and matte grinding. Thicker wire is suitable for a fast and coarse finish, while thinner wire provides finer, smoother surfaces.