The Ways To Use Multi-function of Soldering Iron. Soldering Pen Set is kind of DIY hand tool, which is used for soldering purpose. Soldering Pen Set supplies heat to melt solder so that it can flow into the joint between two work pieces, and soldering pen is most often used for installation, repairs, and limited production work in electronics assembly. High-volume production lines use other soldering methods. Soldering Pen Set Soldering Pen AH-063 Set with multi-function for your select, like: Soldering Torch, Soldering Iron, Hot Air Blow, and Soldering Kits. Soldering Torch the flame can be adjustable, you can refilling the Soldering Pen by butane, and Soldering Pen AH-063 with to meet CE safety stander. Soldering Pen And Soldering Pen Set with hot air blow function. Soldering Pen Hot Air Blow is an incredibly useful tool when building PCBs. Rarely will a board design be perfect and often chips and components need to be removed and replaced during the trou...