Cleans soldering tips better than conventional sponges, and without the need for water. Cleaning "wire" is made from hundreds of feet of spring-wound, 1/64"-wide copper/zinc ribbon which has been impregnated with non-activated, white rosin flux. Metal holder features non-skid rubber feet and notches on upper rim to rest soldering tip and prevent accidental roll-off of iron.

 Representative Description and Image
The description and image shown may not be not that of the actual part number 599-029. More.