... gas torchScope: This product is easy to operate, portable, widely used for heating food in the family, small objects welding, industrial ... 1300 º / 2450 º; air consumption 80 g / hour; Gas Tank: 220 g gas gas. 2, materials: copper, zinc alloy, stainless steel, pipe, ... largest flame length: 170 MM (similar to gas cutting flame gun). Flame shortest length: 3 MM (similar to a lighter flame). gas torch