The PR-2000COM inverter resistance spot welding system with Mig. Powerful 3 phase spot welder utilizing the new inverter technology to produce higher quality and faster repair jobs. The pre-programmed weld modes automatically select the proper weld current and weld time. The digital display lists the selected program. The Extension Arm System allows access to hard to reach areas. Package includes a MIG welder. This feature allows the convenience of STRSW and MIG welding in one unit.