... spark, beautiful weldingseam,energy saving. CT 520 DC Inverter MMA/TG/CUT welder DC machine description:1.Advanced inverter technology,small size ... ,Engnieers analyze and solve problem.11.economic,No-load,eviromental. DC machine Accessories:TIG torch, cutting torch,air regulator,welding cable ... ) -- 0.4Cutting thickness (mm) -- 0-12Arc-starting HF Touch HF DC Inverter MMA/MMA/CUT welder