19. Once we were plugged into power and connected to our air compressor we set the cutting power to the size of sheetmetal we were working on. Then we flipped the switch and hit the trigger and we were cutting smooth and fast. Whether we were cutting flat or curved sheetmetal it was easy to get used to how to move the torch over the cutting area. The 301 cuts easily through steel, stainless steel, aluminum or any other material that conducts electricity.