140a, mig welder, welds up to 1/4″, acceptable wire diameters are 0.023″, 0.030″ & 0.035″, acceptable spool sizes are 4″ & 8″, processes include mig gas & flux cored, easy to use in tight areas, easy to store in garage on shelf or cabinet, lightweight, includes: flow meter, gas hose & quick start guide.