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The Naniwa Professional line (previously known as the Chosera line) are super hard splash and go stones. These stones are slow wearing, fast cutting and HARD. They have a higher amount of abrasives and less binder than other lines from Naniwa, and are one of the best lines of stones money can buy in our opinion!
This is our favourite 400 t
5.0
10 ratings
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Love my new edge reforming stone. Much better tactical response than from my coarser King whetstone.
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Tommy · October 27, 2026
Use this in combo with the 1000 grit stone and you’ll be slicing and dicing in no time! Seriously makes sharping a breeze.
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Stuart · January 26, 2026
Very good stone. I absolutely need it to start sharpening.