Since all welding torches, including a TIG torch, require certain accessories, you'll want to be sure to check out our welding tips and welding nozzles. Here is some additional information about Arcair Pointed Copperclad DC Gouging Electrodes. Application: For metal removal, not welding. Designed specifically for the Air Carbon-Arc Process. Ideal for creating U-grooves for weld joint, removing old welds, gouging out cracks, cleaning and repairing castings, removing hard surface material and rough machining.