Pete, you might want to try using a hard silver solder instead of soft solders like Sta Brite. Granted they are more difficult to use, but there is a considerable increase in strength. This is especially handy when it comes to the limited contact areas of broken keys. One of the keys I use, where the blank was extended from a 5 to a 6 pin, was soldered together over 25 years ago. It is heavily worn now but never broken. I use Harris Safety Silv 45 and get it at a refrigeration supply house. Doug
