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Zelenbakh,

More than some, less than most.

I would urge you to read my blog Eastern Smooth or email me at jdrion (at) gmail.com if you have specifc questions.

Or check out the forum at...

It's a Kai brand Combination hone. The top (light side) is labeled " middle Finishing" and the bottom "Coarse". The bottom is 400, the top is 1000.

It's made on contract for Kai by another maker,...