1.CE certification.2.main market:USA,MALAYSIA,GREECE,EGYPT,SINGAPORE,UK,NEW ZEALAND,ARGENTINA,BRZAIL,DUBAI,PHILIPPINES 1. all kinds of back caps, which suit for all kinds of welding torches, including WP-9, WP-12, WP-18, WP-20, WP-24, WP-27, WP-50. 2. the back cap short, back cap medium and back cap long. 3. CE certification.4.market:USA,MALAYSIA,GREECE,EGYPT,SINGAPORE,UK,NEW ZEALAND,ARGENTINA, ...