MINGQ Soldering Iron Kit is a big help in your soldering needs. Pencil style irons that is easy to use and and suitable for hobbiest use. With this multifunctional tool kit, you can repairing various electronics and circuit board, like welding, jewelry, guitar, watches, wiring, mobile device, computers hardware, small electronic work, TV capacitors or accessories, trinkets of children, crafts and more.Learning how to solder w/ proper soldering techniques is a fundamental skill every maker should master. Whether you?re building a robot or working with Arduino, knowing how to solder will come in handy. Below we?ll outline the basic tools and materials(that is all included in our kit) you will need for most of your soldering projects.SOLDERING IRON : Operating at 60W and 110V, this soldering iron can be adjusted to six different temperatures: 200?, 250?, 300?, 350?, 400? and 450?.This pencil iron is very easy to use and features an on/off switch, allowing you to keep it plugged in on the soldering iron stand for quick access.CONVENTIONAL SPONGE: Using a conventional wet sponge will help to keep the soldering iron tip clean by removing the oxidation that forms.SOLDER: Solder is a metal alloy material that is melted to create a permanent bond between electrical parts. Inside the solder core is a material known as flux which helps improve electrical contact and its mechanical strength.SOLDERING PASTE: Soldering paste Soldering paste is a material used to connect the surface mounted components to pads on printed circuit boards. It is a sticky paste which adheres components in place.