Gas Shielded Arc Welding Torch

A tubular or gun-shaped instrument, hand or machine held, for arc welding and providing an atmosphere of gas. It is designed to permit use of various tungsten electrodes for different welding in tungsten inert gas welding or various wire electrodes in carbon dioxide or metal inert-gas welding. Wire electrodes are federal through the torch in use. The item consists of a handle and a torch head. Excludes torch, welding. See also torch outfit, welding, gas shielded arc.