The Convoy SS bezel fits the Sofirn C8F 21700 well. 
I don’t know which other stainless steel bezels you are referring to.
There would be a dedicated thread for the new C8F 21700: Sofirn C8F 21700 Teardown and Review
The Convoy SS bezel fits the Sofirn C8F 21700 well. I don’t know which other stainless steel bezels you are referring to.
There would be a dedicated thread for the new C8F 21700: Sofirn C8F 21700 Teardown and Review