Dent removal is accomplished by inserting a steel ball into the instrument as close to, but smaller than, the diameter of the section of tubing being repaired. The steel ballcan be moved through the tube using a magnet on the outside. Working the steel ball over the damaged area will gradually smooth out the dent.
A magnet will pull out most small- and medium-sized dents, while a larger magnet may be necessary for larger and more stubborn dents. We do carry a line of steel balls that can be used for this application.