The wooden handle wire brush contains 3 x 19 rows of high carbon steel bristles used for cleaning rust, scale, solder chips, removing paint and dirt, as well as to clean surfaces. The brush also has a heavy duty scraper end. 3 rows wide x 19 rows deep1 inch length high carbon steel wire bristlesFor cleaning rust, scale, solder chips, removing paint and dirt, as well as to clean surfaces. Contains a scraper end for aggressive scraping.