Simply put, this welder works great! It excels in everything from 22-gauge sheet metal to 1/4-inch sheet steel. I think it could weld even thicker ones but I haven't tried it yet. I've also only used it with flux wire so far and will probably only switch to gas if I need to do something with stainless steel because flux wire works great. What I particularly like is that flux wire can burn through paint and some rust, and still give you a great weld on thinner material. The one extra you might…