Naniwa P-320 Professional Stone #2000

by Naniwa

$72.24 $84.99

The Naniwa P-320 Professional (Chosera) #2000 Stone is an interesting whetstone. It can serve as a starting whetstone for weekly sharpening, or as a daily sharpener. It is a great whetstone for experienced sharpeners who prefer a finer sharpening whetstone to start their sessions with. It can also be used as a final stone for knives made of softer steel, as those blades may not retain sharpness well at finer grit.

Ryky recommends skipping this #2000 stone if you already own the 800, 1K, or 3K stone, since it would overlap too closely with those grit levels.  

#2000 is niche grit, but when paired properly with other grit ranges, such as 500/600, 5K and 8K/10K, it can give your knives a cleaner and sharper edge, than just a standard 1K + 5K/6K whetstone combo.

Made in Japan


  • Origin: Osaka, Japan
  • Grit No.: #2000 WA
  • Type: Splash & Go
  • Dimension: 210 x 70 x 20mm (8.2 x 2.7 x 0.7")
  • Weight: 775g (27.3oz)
  • Abrasive: white aluminium oxide 
  • Cohesive agent: magnesium-bound

How to use:

This is a non-soaking whetstone, but it can absorb a lot of water on the surface during the first use, so 1-2 minute soak will aid when first using the whetstone. Afterwards simply apply water on the surface. Rinse and wipe dry with a hand towel when done, and allow air dry at room temp. Do not leave in water. 

How to clean:

If the stone’s performance is slowing down, or seems to be diminishing, you can clean using a rust eraser,  nagura stone, dressing stone, or a flattening plate. Be sure to clean the entire surface of the whetstone when using any of these methods to ensure even wear of the whetstone’s surface.


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