Hello! I present to your attention a ring with a pigtail (a set of 7 models of men's rings with a pigtail can be found in my profile).
https://www.cgtrader.com/3d-print-models/jewelry/rings/set-of-7-mens-rings-with-a-pigtail
Ring size - 18mm. If you need a different size please contact me.
See also my other models! Thank you for visiting my page, happy shopping))