A comprehensive wire brush set suitable for numerous applications including removing carbon from internal threads, pipes, drilled holes or small bore holes. The set includes six stainless steel brushes, six brass brushes, six nylon brushes, a soft grip handle with quick chuck fitting and a 150mm extension which includes a quick chuck fitting. Three types of brushes: stainless steel, brass, nylon; all with 1/4"" quick chuck shanks for power tool use. Each type of brush available in 6 sizes: 9, 11, 13, 15, 17, 19mm Set includes a 150mm (6 inch) extension with quick chuck for power tool use. Soft grip handle for comfortable hand use. Supplied in a canvas fold up case. Replaceable Brush Sets available, please see Laser Part Nos. 1846 (nylon), 1847 (brass), 1848 (stainless steel). All in packs of 6 brushes.