The 115071 Bernzomatic Pro-Max Hand Torch Cylinder 400g MG9 is a portable and powerful gas torch designed for tasks like soldering, brazing, and heating. The torch comes with a 400g cylinder of propane or MAP-Pro gas, offering a high heat output for efficient and effective performance. The MG9 model is known for its ergonomic design, providing a comfortable grip and precise control over flame intensity. This tool is commonly used by professionals in industries such as plumbing, electrical work, and metalworking for tasks that require a controlled, high-temperature flame.