... Tig Welding Torch. 2. TIG welding guns and parts, such as torch head, back cap, cup gasket, collet, collet body, gas lens body, ... cable fittings, alumina nozzle, power cable adapters, switch, torch body, etc. 3. Tungsten rod ... , such as WT20, WZ8, WT30, WC20, WL10, WT40, WP, WL20, WZ3, WL15, WT10, WY20. 4. Standard welding ...