i know its from DS9 but what does it do in game.

It doesn't do anything, it's a gag item/mod

No @justarandomgeek... They are self sealing Stembolts

Eventually you'll be able to trade them for yamok sauce.

Yes but, what about reverse ratcheting routers?

thanks for the fast update to 0.17
what would we do without these important self sealing stembolts ?
(even if not for our own use, but certainly for trading !)

ps: maybe this mod could somehow be connected to Food Industry or Colonists later ?

Don't believe justarandomgeek... he just wants the profits for himself!

According to the source code this mod only adds two craftable items which are not used for anything. There is no script logic to consume them.
So it's just a joke mode. Doesn't do anything. (As of 2020-10-25, v0.18.0)