Having parts and tools go missing while wrenching is nothing new. When installing EE rad braces on new bike, I got to the end and was missing one bolt. Looked everywhere, gave up, used standard 6mm in place of button-head.
A few days later I went to use my magnetic tray again and there it was, stuck on the underside. During search, of course, I lifted tray but didn't flip it over...
A few days later I went to use my magnetic tray again and there it was, stuck on the underside. During search, of course, I lifted tray but didn't flip it over...