ARC Welder Welding Machine IGBT Inverter LCD Display Fits 4.2 MM Welding Rod Posted on December 9, 2023 by admin 1 x Welder Operation manual. Smooth and Stable Arcs: Auto Adaptive Arc Force minimizes electrode sticking without compromising arc stability or increasing spatter. Arc Welding Machine Is Easy To Use, Beginner Can Also Operate Well.