The most efficient solution to prevent the hot air gap between the outlet steel pipe and the air nozzle with a hot air gun is to use this tungsten hot air gun nozzle. This Tungsten Hot Air Gun Nozzle is adaptable, made of premium stainless steel, and simple to replace. For precise work, progressively decrease the airflow. Additionally, it is ideal for other tasks including applying heat shrink tubes, soldering copper pipes, and bending plastic tubes.