... torch accessory of tig soldering torch consumable for welding spare parts long/short back cap for WP-18 TIG welding torch1.wp-18 ... , WP-25, WP-26, WP-27 air cooled and water cooled etc. Including torch head, back cap, cup gasket, collet, collet body ... EM13K), solder wire for stainless steel (AWS ER308, ER308L, ER309, ER316, ER316L etc) insulatorcutting long/short back cap for WP-18 TIG welding ...