long/short back cap for WP-18 TIG welding torch accessory of ... torch consumable for welding spare parts long/short back cap for WP-18 TIG welding torch1.wp-18 water ... welding nozzles,tips,shield cup,,tips are available in our company 4.We produce many kinds of MIG/ MAG weldingtorches ... air cooled and water cooled etc. Including torch head, back cap, cup gasket, collet, collet body, gas lens body, cable ...