I have been using these tongs in my darkroom for such a long time. I can only hazard a guess and say I began using them at least 15 years ago, I built my darkroom in the garage around 2000-2001.
It’s funny how you put up with things. As soon as I grabbed a fresh pair my ability to work with wet prints in developer then improved immeasurably.
Still getting 15 plus years out of a piece of equipment is pretty good in this day and age of new hardware and software every 18 months.