/products/roadtest/b/blog/posts/gt120-hp-t6-soldering-station-introduction-2This is the third blog post in support of the RoadTest that does a comparison between the METCAL GT120-HP-T6 Soldering Station and Weller WT1012N Soldering Station The Weller soldering iron tip is changed by turning the plastic knurled nut locate..en-USTelligent Community 12