Nyalox 2-1/2 in. Coarse Cup Brush is designed for spot working and reaching those difficult areas with ease. It features coarse nylon bristles that are for cleaning metal surfaces by effectively removing weld scale, rust, old paint, and oxidation. The nylon bristles are impregnated with aluminum oxide, ensuring they do not gouge the surface during use. This brush comes with a 1/4" shank for compatibility with various tools. Model Number: 7200010