Goodway Stainless Steel Wire Buffing Tool for Boiler Tube Cleaning of Boiler Tubes 1/2" - 9/16" (12.7mm - 14.3mm) are used for removing light to medium scale deposits, or for finishing tubes that have previously "roughed out" with other cleaning tools. They can be used in both, ferrous and nonferrous straight tubes 1/2" - 9/16" (12.7mm - 14.3mm) I.D. Buffing tools can only be used in a clockwise direction.
Do not use on internally enhanced tubes.