Designed for versatility and reliability, this medium duty acetylene hydrogen welding nozzle is an essential tool for general purpose welding and preheating applications. With a tip size of 4, it features a one-piece copper elbow tip that ensures optimal performance, while the brass coupling nut with a built-in snap ring enhances durability and ease of use. The nozzle employs a spiral mixer that effectively blends oxygen and fuel, delivering a long cone flame that is 100% flame tested for safety and efficiency. Ideal for various cutting and welding tasks, this nozzle is compatible with the 100 Series Handle and is crafted in Mexico, making it a dependable choice for both professionals and hobbyists alike.