Hardened steel wire bristles made heavy duty cup brush is perfect option to eliminate paint and rust from metal surface prior to its polishing. This user friendly metal cleaning brush is used along with angle grinder. Besides preparing metal surface, this brush is effective in improving glossiness of metal surface. Provided heavy duty cup brush can be used for any DIY enthusiast or for cleaning medium or large sized metal surfaces in workshops or for household job. Mild steel or stainless steel body of this brush remains stain and dirt protected even after its repeated exposure to dirt.