Features Perfect for cleaning internal surfaces such as threaded holes or tubes. For use manually or with power drill/driver. Includes ( 6) brush sizes each in stainless steel, brass and nylon bristles for different jobs. All brushes have 1/4 in. hex shaped quick-disconnect shanks for easy and quick changes. 20 Pieces. Item Weight - 3.000 lbs. Set Includes ( 1) 1/4 in. quick-disconnect soft grip manual driver handle. ( 1) 1/4 in. quick-disconnect 6 in. extension adapter for manual driver or power drill/driver. ( 6) Stainless steel bristle twisted wire tube brushes 1/4 in., 3/8 in., 1/2 in., 5/8 in., 3/4 in. and 1 in. diameters. ( 6) Brass bristle twisted wire tube brushes 1/4 in., 3/8 in., 1/2 in., 5/8 in., 3/4 in. and 1 in. diameters. ( 6) Nylon bristle twisted wire tube brushes 1/4 in., 3/8 in., 1/2 in., 5/8 in., 3/4 in. and 1 in. diameters. Set Use Stainless Steel Brushes Stiff and aggressive - use in tough spots for heavy-duty cleaning. Brass Brushes Less abrasive - will not scratch harder metals. Nylon Brushes Perfect for light-duty cleaning.
