Naniwa Professional P-350 5000 grit Japanese Waterstone
SKU: 38878232809

Naniwa Professional P-350 5000 grit Japanese Waterstone

Sale price$103.50 Regular price$115.00
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Description

Naniwa Professional P-350 5000 grit Japanese Waterstone5000 grit is the finishing grit. A kitchen knife can really just stop at about 5000 to 8000 grit. If one needs a two stone setup, then 1000 3000 or 1000 5000 are great choices. I really like the 5000 because not only it is very fast, it also gives a great feedback. It is best to soke the 5000 for about 5 minutes before use. The Professional The Naniwa Professional line is basically the overseas version of the Chosera line. The abrasive is basically

5000 grit is the finishing grit. A kitchen knife can really just stop at about 5000 to 8000 grit. If one needs a two stone setup, then 1000/3000 or 1000/5000 are great choices. I really like the 5000 because not only it is very fast, it also gives a great feedback.

It is best to soke the 5000 for about 5 minutes before use. 

The Professional

The Naniwa Professional line is basically the overseas version of the Chosera line. The abrasive is basically the same as the famed Chosera line which is trusted by many professional chefs, woodworkers and sharpeners as the best splash and go sharpening stones. 

Compared to the Chosera (25mm thick), the Professional (20mm) is marginally thinner, and does not come with base, which is preferred by many as easier to store and carry around. It is also cheaper to ship thanks to the lack of base. 

  • Type: Splash & Go, do not soke for more than 15 minutes
  • Dimension: 210 x 70 x 20mm (8.2 x 2.7 x 0.7")
  • Weight: 800g (28.2oz)
  • Abrasive: white aluminium (WA) oxide   

Care

Like many products designed for the high-end user, the Naniwa Chosera stones require more care than your average stone. Unlike some waterstones, these are not to be left in water, leaving them in water will affect the bonding. When you are done, just let them air dry. Don’t try to speed up the drying process by exposing them to heat, just let them air dry so they can dry evenly. Store the stones only after they are completely dry. If this extra care is too much for you, we suggest you choose a different type of stone.

 


 

Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
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SKU: 38878232809

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Ginger
Whiting, US
★★★★★ 5
very happy with my purchase
Color: Brown-F, Color: Brown-F
The quality and craftsmanship of this tray are amazing! I bought it mainly for jewelry photography, and the results turned out even better than I expected ✨ The matte finish is exactly what I needed because it doesn’t reflect light, which makes photographing jewelry and pearls so much easier and gives the photos a much more elevated look 📸 I took these photos at night under white lighting, and I’m honestly so happy with how they turned out. The background looks clean, soft, and aesthetic. Sharing some of my photos here for reference — highly recommend!
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Reviewed in the United States on May 16, 2026
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Guadalupe Trevino
New York, US
★★★★★ 5
👍 housban love it
Color: Brown-P
Looking better , more organized
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Reviewed in the United States on May 10, 2026
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Amale
Draper, US
★★★★★ 5
Amazing well thought out tray
Color: Brown, Color: Brown
Super well thought out tray. Looking amazing of course and the sizes of the slots are great. I can fit my large phone in the slot and it has a space for the charger on both ends. Love this tray.
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Reviewed in the United States on May 16, 2026
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Cesar Diaz
Belleville, US
★★★★★ 5
Good quality
Color: Brown
Very well made. And elegant
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Reviewed in the United States on May 29, 2026
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larula
Bozeman, US
★★★★★ 5
The entryway is very convenient for storing keys and small odds and ends.
Color: Brown
The entryway is very convenient for storing keys and small odds and ends.
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Reviewed in the United States on May 16, 2026

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