This six-piece set of stainless steel tube cleaning brushes features a spiral wire-winding process designed for power tool cleaning. The multi-sized copper tube cleaning attachment covers a range of tube diameters from 8 to 19 millimeters, and the hexagonal shank structure ensures efficient power drill transmission. The double-stranded steel wire enhances the rigidity of the brush body, and the spiral orifice brush remains stable at high rotational speeds, effectively removing oxidized layers and limescale deposits from the inner walls of copper tubes. The drill tube cleaning brush has been subjected to special heat treatment process to maintain its original shape after repeated use. Stainless steel material is suitable for hot and cold water tubes, air conditioning and refrigeration tubes, mechanical oil lines and other scenarios. The set includes six brushes of different specifications to meet the needs of home tube maintenance, automobile repair shop oil line cleaning and industrial equipment maintenance, which is a professional solution to improve the cleaning efficiency of piping system.