Features: Ideal for jewelry repair and construction, hobbyists, crafts, metal carving, glass blowing and electronics repair and manufacturing. It can weld an unlimited range of materials. You can use a "small flashlight" with oxygen and any of the commonly available industrial fuel gases: acetylene, hydrogen, propane, propylence, MPS and others. (The smallest 2 tips should only be used with oxy-acetylene or oxyhydrogen)Specification: Up to 6300 degrees F (about 1700 C. Whether you are in the first stages of learning your craft or have mastered it completely with more limited tools. This flashlight is easily maneuvered in places impossible to reach with conventional torches. Used with acetylene, hydrogen, propane, propylene, map and natural gas. Connect the flexible hoses to any standard pressure regulator. Includes five interchangeable torch tips. The included tips provide a wide range of flame lengths and heat output for a variety of metals and thicknesses. The operator can vary the flame length to his exact requirements by adjusting the oxygen and fuel gas valves on the burner body. US hose connections fuel 9/16"-18-lh, oxygen 9/16"-18-rh. Package Contents:1 x Mini Small Soldering Torch1 x User Manual5 x Torch Tips