5 in 1 CUT/HF TIG/Pulse TIG/Spot Welding/Stick Multi-functions welding machine: 50A Plasma Cutter & 200A TIG Welder & 180A Stick Welder. HF Tig & Plasma Cutter: 20-50A plasma cut (max 12mm@110V/16mm@220V) for stainless steel/mild steel etc. with clean results; 200A HF TIG features non-touch arc initiation, stable performance for various workpiece thicknesses.