Weiler 21087 1" Power Tube Brush, .008" Stainless Steel Wire Fill, 1" Brush Length, Made in the USA

Also known as internal brushes, weiler's comprehensive line of power and hand tube brushes provide fast, efficient cleaning and finishing of hard-to-reach areas such as internal diameters, crevices, threaded surfaces and other difficult-to-access areas. Brushes are available in many configurations and fill materials, such as steel, type 302 stainless steel, brass, horsehair, nylon and tampico.