The Q02230 is Marquette's most powerful wire feed welder. With a welding range of 30 to 270 amps, you can weld from 24 gauge sheet metal up to 1/2" steel in a single pass. Feeds both flux cored and solid steel cored (for use with a shileding gas) welding wires with infinite wire speed control. It features a 60% duty cycle at 200 amps for those extended welding jobs. Choose from seven heat settings for optimum control, and use the spot welding timer for repeatable and precise spot welds. Includes a built-in cart, 10' heavy duty MIG gun, nozzle, tips, starter spool of wire and an operators manual.