The Dayton SI-100B - Soldering Iron is one of the best soldering guns available in the market so far. It has 30-watt power and combines soldering iron and the solder feeder together. The trigger can correctly adjust the amount of solder being put to the tip. It has a pointed bit which helps to do work easily avoiding fluctuations. If you are looking to buy the Soldering Iron then Dayton SI-100B - Soldering Iron is the one to buy definitely.