... Cert. 2.Suitable for Co2 & Mixed gas. 3.Material :Ceramic and stainless steel mig/mag/co2/tig/arc/plasma welding torches ... and cutting guns:1.Binzel 15AK,25AK,24KD,36KD,40KD,501D, ... .Tig welding : WP12,WP17,WP18,WP20,WP26 …8. welding parts and accessories : contact tip, contact tip holder ,swan neck ,nozzle ,insulator ...