long/short back cap for WP-18 TIG welding torch accessory of tig soldering torch consumable for welding spare parts long/short back ... diffuser swan neck, insulator ,steel liner, rear handle, cable...... 5, TIG welding gun and spare parts, such as WP-9, WP ... kinds of electrode holder, earth clamp/ground clamp , carbon electrodes, Tungsten electrodes. 7. Welding wire for CO2 gas shielded welding (AWS ...