The Propane Hand Torch Cylinder is designed to fuel standard hand torches in order to complete jobs such as light soldering, softening putty and paint, removing rusty bolts and nuts, and thawing frozen locks. Constructed of durable steel, the slim, lightweight cylinder is easy to grip and maneuver. Flame temperature in air is 3600 Fahrenheit. For safety and disposal, please visit the Bernzomatic website.