For MIG (gas-shielded solid wire) welding. Includes .025-.030" (0.6-0.8mm) cable liner, two .025" contact tips, gas nozzle, 2 lb. spool of .025" SuperArc™ L-56 mild steel MIG wire, gas regulator for Argon and Argon-blend gases, adapter for CO₂ cylinders, gas solenoid (115V), hoses, connectors, and instructions.