LINK2526-1 Features: -MIG conversion kit.-For MIG (GMAW-gas-shielded solid wire) welding. Includes: -Includes two 0.025'' (0.6 mm) contact tips, gas nozzle, 2 lbs spool of 0.025'' 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. Dimensions: -Product weight: 6 lbs.