Uniweld PCV25 Pencil Flame Hand Torch has an adjustable pencil point flame. Can be used to solder copper tubing and thaw frozen pipe. It's tubing capacity when used with propane is up to 7/8" for soft solder, and 3/8" for silver braze. When used with MAP//Pro (propylene), its tubing capacity is up to 1" for soft solder and 5/8" for silver braze.