The PRO SOURCE steel-bristle curved utility scratch brush is 6-3/4 inches long with 1-3/16 inch bristle trim length
Brush has 9 rows by 12 rows of stiff, carbon-steel bristles to remove rust, scale, paint, solder, and other materials from threads, files, metal parts, and castings
Heavy fill with straight, even 1-3/16 inch trim length