... , Suitable for many kinds of metal material MAG-200/250/300 TAPS TYPE GASLESS/GAS WELDING MACHINE MAG-200/250 ... /300 TAPS TYPE GASLESS/GAS WELDING MACHINE. FEARTURE :1.Single phase, ... ,portable,gasless/gas welding2.Fan cooling,overheat protection3.Current value is changed by taps,Stepless speed regulating for wire feeding 4 ...