I’m pretty particular but the main ones I like are the Uniball Signo 207, either the .5 or .7 tip but now I’ve moved to the Uniball Jetstream, just feels smooth

I’m pretty particular but the main ones I like are the Uniball Signo 207, either the .5 or .7 tip but now I’ve moved to the Uniball Jetstream, just feels smoother. Then I just buy the refills which are pretty cheap and less wasteful.