The mig 151en is a powerful 150 amp dual purpose welder that offers the advantages of standard mig welding but without the need for gas bottles it can easily be converted to use conventional shielding gases but is supplied with a special flux coated wire that produces its own gas shroud as it burns this feature simplifys its use and makes it ideal for outside working since there is less chance of any breeze blowing away the shrouding effect of the gas particularly suited to automotive and li