That looks a lot like the ones used in the GrandMA2, though I think replacement faders for that
desk are in the 3 digit price range.
Then you have products like this
https://www.sweetwater.com/store/de...2cuIOEbvFRyYOhUpRiQSSV5j6BrNu54MMXhoCtqbw_wcB
for what in comparison is a staggeringly low price. I have seen people use thing like this for lighting wings, but it's usually kludgy and not nearly as good as the real thing.