The Lincoln mig welder Power MIG 256 Description: Diamond Core Technology – Delivers a forgiving arc; MAXTRAC cast aluminum industrial wire drive – Features dual driven rolls; Digital meters - For set up, meters display your preset voltage and wire feed speed; During welding, actual voltage is displayed; Magnum PRO gun and cable 15 ft. (4.5 m) - Makes it easy to reach your work; Copper Plus contact tips - Larger tip diameter and mass improves heat dissipation to increase tip life.