The product may not function properly. I had a good soldering iron that it fit in, but no matter how patient I was, it didn't attach (hot enough) the carbon tape to the BMW odometer. I suspect it's the wrong type of metal, maybe too much metal, or even the rubber is too thick. Keep in mind that the rod is much thicker than most soldering irons can handle, but with a grinder you could theoretically scale it down to fit your device. It goes without saying that while the device may work for…