After that, it depends on the season, but without too much snow, it’s doable pretty easily.
They recommend crampons for some sections, but I did it without and it wasn’t a problem.
If you’re interested, there’s a lot of step-by-step info with distances and elevation gains on this blog:
https://backpackerdudimanche.com/trek-3-cols-three-passes-trek-nepal/Since 2019—or even before—I’ve done this trek...
Probably a wrong recipient?