... functions including MMA, TIG, CUT. Little spark, beautiful weldingseam,energy saving. CT 520 DC Inverter MMA/TG/CUT welder DC machine description:1 ... .Creative, effective and low costThree functions in one machine,TIG welding, MMA welding and air plasma cutting3.Compact and easy for operation4 ... THICKNESS:15MM,severance cut:1",severance cut:7.8 in/min,conventional cut:3/4",conventional cut:3.9 in/min9 ...