1. Use air 2. Cut stainless steel, carbon steel, copper and alumiuium. 3. CCC and CE. Features: 1.Adopt high frequency to ignite arc, ignite the arc rapidly, the arc is steady, cutting kerfs are narrow, clean without any deformation of work pieces. 2.Suitable for discretionary curve cutting in different metal panel as stainless steel, carbon steel, copper and aluminium;3.Apply to vehicle, ...