TIG Welder Be able to weld carbon steel Stainless steel Copper and titanor metal, etc Reliable and durable 1. Advanced inverter ... technology, high working frequency, reduced size and weight, easy to carry.2. HF pressure increasing arc ... cable, earth clamp, carton boxA kind of an excellent tig welder.Main technical parametersTIG-160STIG-200STIG250SInput power voltage (v):AC ...