Usually, the small soldering irons are used on circuit boards or light electric jobs. It is a better choice if you have to deal with soldering jobs that require minimal heat. However, different sizes can be used for other applications. So, check for the type of soldering iron before you choose one.
Soldering iron 25W, 35W, 30W, 45W, 60W, 80W, 100W, 120W,
Soldering iron 25W, 35W, 30W, 45W, 60W, 80W, 100W, 120W,