Nyalox 3/4 in. 80 Grit Extra Coarse End Brush is designed for spot working and reaching into tight, hard-to-access areas with ease. Featuring coarse nylon bristles impregnated with aluminum oxide, this brush effectively cleans metal surfaces by removing weld scale, rust, old paint, and oxidation without gouging the material. It comes with a 1/4" shank for convenient use in various tools, making it an essential accessory for metal surface preparation and maintenance. Model Number: 7200025