Uniweld RP3T5 Hand Torch is the right choice for small jobs in tight areas where access is limited. This lightweight, portable flame tool can be operated with Propane or MAP//Pro (Propylene) Not Included – Sold Seperately. This torch has a UT5 LP Twister Tip that utilizes swirl combustion technology to produce a high energy efficient flame. This torch also has our RP3E Unitorch Regulator with an internal piston design and swivel elbow for maximum control. It’s tubing capacity when used with Propane is up to 3″ for soft solder, and 1″ for silver braze. When used with MAP//Pro (Propylene), its tubing capacity is up to 3 1/2″ for soft solder and 1 3/4″ for silver braze.