long/short back cap for WP-18 TIG welding torch accessory of tig soldering torch consumable for ... for WP-18 TIG welding torch1.wp-18 water cooled tig torch spare parts2.Accessory of tig torches.3.Different series and specifications ... parts, such as WP-9, WP-12, WP-17, WP-18, WP-20, WP-24, WP-25, WP-26, WP-27 ...