The soldering irons are used for installation, repairs, and limited production work in electronics assembly. High volume production lines use other soldering methods. Large irons may be used for soldering joints in sheet metal objects.It is easy to use with 24 x 7 work capability. Soldering Iron has many applications in mobile, electronic devices, and computer devices repairing,Multiple DIY projects etc 30 Watt Soldering Iron is also called as Soldering Gun rated for 30 watts. If you are a student or hobbyist and you are looking for a good general purpose Soldering Iron then this 30-watt Soldering Iron is perfect for you.