As an extension to the soldering station is this unit No soldering workshop. Developed to allow professional-quality desoldering. This was a completely newly developed desoldering attachment made it possible.The desoldering attachment is simple to change, like a soldering tip, and is ready for use with the soldering iron within moments. An excellent feature is the rugged unsoldering attachment, in which the flow of heat is concentrated at the unsoldering nozzle, making handling even simpler. Thus, the minimum pre-setting for a professional desoldering tool. Now, your station only a vacuum unit. We recommend that the vacuum station ST 902 order no.: 81 38 17 which are already contains other accessories, so that you can get your device easily to a professional desoldering station expand.