OK so I have a set of Naniwa super stones up to 10k. I use the 10k as my finisher before I hit crox on balsa and then strop on plan leather. I now have the opportunity to purchase a 12k.
Does anyone have experience of edges of both 10k and 12k? Is there enough additional benifit to justify the cost or would you purchase the 12k and 10k again if you made the decision in hindsight?
Many Thanks
Rob