Mig wire is a consumable in MIG (Metal Inert Gas) welding used to fill the weld pool and join two metal pieces. Available in various diameters and compositions, mig wire caters to different types of metals and welding strength requirements. It is chosen for its consistent quality and performance, ensuring strong and reliable welds in automotive bodywork, construction, and industrial fabrication. Mig wire is vital for welders requiring efficiency and precision in their metal joining processes.