This is a good product at a good price, I've done my homework. Brazing (soldering) that does not require $$fuel/tanks. Once researched, it can be used on most metals. Harris puts out a line of industrial products, but the product information on their website seems to recognize newbies (me). The silver solder project, especially the higher percentage line, gives a pure craft look. When done correctly, it can be as strong as bronze soldering. And aesthetically pleasing. I don't know if that wasβ¦