The Lincoln Electric AC-225-S / Variable Voltage AC Arc Welder is a high-quality welding equipment designed for welding steel materials. This unit utilizes stick welding process with AC polarity, providing efficient and precise welds. As a unit from a reputable brand like Lincoln Electric, it is reliable for various industrial and manufacturing applications. Whether you are a professional welder or a DIY enthusiast, this welder offers consistent and reliable performance for your welding needs.