Wire Spool sizes: 5kg/200mm in WFX 200 and 20kg/200mm in WFX 300. Equipped with the reliable Dura Torque wire feed mechanism. WiseFusion included for ensuring consistent weld quality in all positions. Compatible with all Wise software products. Pulsed and double-pulsed MIG/MAG included. ArcVoltage feature included. It measures the actual voltage at the welding arc and    displays it on the control panel. This helps you keep your welding values inside the    predefined range regardless of the size and length of the cables.