... , 401D and 501DIncluding whole torch, nozzle, contact tip, tip holder, swan neck, handle, rear handle, cable, cable joint and adaptor nut. 2 ... .TIG welding guns and parts, such as torch head, back cap, cup ... , collet, collet body, gas lens body, cable fittings, alumina nozzle, power cable adapters, switch, torch body, etc 3. CO2 Welding guns and ...