Best in class and built to last. Designed for outstanding arc performance and unequaled reliability, the Crossfire 251A/252A comes ready to tackle your most demanding MIG welding requirements. The stepped voltage output design delivers a very precise, driving arc that many professional welders truly prefer. It is capable of running .024 thru .045 solid and flux core wires. A heavy duty 4 drive roll wire feed system assures many hours of smooth, tangle free feeding performance. If you are looking for a serious welding machine and exceptional value, look no further than the CROSSFIRE HG 251A/252A MIG WELDER.