As a beginner to the hobby of metal refining and after reading numerous reviews and articles, this is where I landed and I believe it was a great choice! VERY solidly constructed...no flimsy stainless steel outer case. Gas line and regulator are very substantial, high quality. Instructions that come with unit are not the best for a beginner, but some online research got me the answers I needed easily. For example prepping the crucible, exact placement of rubber washers in gas line connection. All in all recommended with five stars!