The Norton is 8000 grit
The yellow coticule is approx 8000-10,000 grit
A Swaty barber hone is 8000-10,000 grit
Spyderco Ultra fine is approx 8000-10,000 grit
The Chinese 12,000 is actually approx 10.000 grit
An abrasive pasted paddle strop that has 1. micron abrasive, can also be used to refresh an edge.

You can use any of the following to refresh the edge, Norton, Yellow coticule, Swaty barber hone, Spyderco UF, 1.0 micron abrasive pasted paddle strop. Your choice.
This list is not all inclusive, others will add more I am sure.

Hope this helps,