Inverter semi-automatic welding machine (MIG-MAG) Robust construction Combines 3 welding processes in one device: MIG/MAG with gas (solid wire Ø 0.6–0.8 mm), MIG/MAG without gas (cored wire Ø 0.9 mm), MMA (electrode Ø 1.6–3.2 mm) with Antisticking function