Several configurations and sizes of tube fitting brushes are available for cleaning and deburring copper, internal and external tube fittings. The handy 4-in-1 tube fitting brush cleans both outside and inside diameters of multiple tube sizes.
For internal cleaning and deburring of copper tube fittings; also used in trucking and marine industries as a light socket cleaning brush
3/8" Tube diameter
3-1/4" Handle length