... soldering torch consumable for welding spare parts long/short back cap for WP-18 TIG welding torch1.wp-18 water cooled ... torch, nozzle, contact tip, tip holder, gas diffuser swan neck, insulator ,steel liner, rear handle, cable......5, TIG welding gun and ... air cooled and water cooled etc. Including torch head, back cap, cup gasket, collet, collet body, gas lens body, cable fittings ...