Based on my experience with this Industrial and Scientific equipment, I cannot recommend it for heavy-duty projects. While it's advertised as a portable tool for welding various thicknesses, the frequency adjustments are inconsistent, resulting in less-than-perfect welds. The pros are that it's easy to transport and ideal for smaller jobs. However, the cons far outweigh the pros β the welder's frequent malfunctions make it difficult to deliver quality results. Save your time and money and opt for a more reliable industrial tool.