Need to work on a CMS card ... A little galley with a simple soldering iron. With this station: Nickel is! Rapidly heated to the desired T ° requested. No worries to remove a microcontroller without massacring the PCB. Consider buying the solder paste for SMT resolder: it is the foot! .S'arrête Automatically when the blower rests on its support ... with maintaining ventilation to cool the heater before final stop. I do not know if the reliability is good, remains that for troubleshooting ... considering the price, I highly recommend. Info: the tips are 22 mm in diameter: So buy this plant, given its price gun ... and with the savings, buy yourself the tips a little odd / necessary for you ...!