NANIWA Nagura Dressing Stone “IRODORI” – Japanese Surface Conditioning Stone for Whetstone Slurry & Sharpening Control (#220–#12000)
SKU: 95170962773

NANIWA Nagura Dressing Stone “IRODORI” – Japanese Surface Conditioning Stone for Whetstone Slurry & Sharpening Control (#220–#12000)

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Description

NANIWA Nagura Dressing Stone “IRODORI” – Japanese Surface Conditioning Stone for Whetstone Slurry & Sharpening Control (#220–#12000)The NANIWA Nagura Dressing Stone IRODORI is a Japanese surface conditioning stone designed to enhance the performance of whetstones. Unlike sharpening stones, Nagura stones are used to activate and condition the surface of a whetstone by generating fine abrasive slurry. This slurry improves sharpening efficiency, controls cutting speed, and helps achieve a smoother and more refined edge. IRODORI is a synthetic Nagura stone developed to provide

The NANIWA Nagura Dressing Stone “IRODORI” is a Japanese surface conditioning stone designed to enhance the performance of whetstones.

Unlike sharpening stones, Nagura stones are used to activate and condition the surface of a whetstone by generating fine abrasive slurry. This slurry improves sharpening efficiency, controls cutting speed, and helps achieve a smoother and more refined edge.

“IRODORI” is a synthetic Nagura stone developed to provide consistent and predictable performance, unlike natural Nagura stones which vary in grain structure. It produces a controlled slurry that can be adjusted depending on grit selection.

By using different grit levels of IRODORI, users can:

  • Accelerate sharpening speed with coarser Nagura
  • Reduce scratching and refine finish with finer Nagura
  • Clean and refresh clogged whetstone surfaces

It can also be lightly rubbed directly on blades or used to clean and maintain whetstone surfaces, making it a highly versatile sharpening accessory.

Available grit range: #220 to #12000 (multiple variations)

Brand NANIWA
Model IRODORI 彩
Item Nagura Dressing Stone
Size(of Stone) approx. 60 x 30 x 20 mm (approx. 2.4 × 1.2 × 0.8 inches)
Grit
*See images.		 #220
#400
#800
#1000
#2000
#3000
#5000
#8000
#10000
#12000
How to use
  1. Nagura Stone & Whetstone should be kept wet throughout the sharpening process by sprinkling with water,which acts as a lubricant on the stone.
  2. After setting Whetstone in  unmoved condition, rub the whetstone with Nagura stone equally(moving forward and backward) and wet stone power will appear soon, but do not wash or wipe off this residue and continue sharpening.
  3. Sharpen your knife as usual.
Remarks

Depending on the item, its corner may be chipped (even when shipping from the factory), but there is no damage of its performance.
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. Standard Shipping : 3-10 business days
  • If time is of the essence, please consider selecting expedited delivery for faster service.
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]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 95170962773

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4.5 ★★★★★
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The Cannish
Charlottesville, US
★★★★★ 5
Surprisingly comfortable and stylish wrist rest!
Color: Walnut Wood, Size: Large
This wrist rest is the perfect compliment to my desk set up. I was hesitant about buying a wood product like this, but I’ve been pleasantly surprised how comfortable and smooth it is during extended use. For the price, it feels like a premium product, and I love that it stays put with the rubber feet. The size is perfect for a full-size keyboard, with just the right thickness to keep your wrist and palms comfortable. If you’re looking for an elevated way to decorate your desk while protecting your wrist, this is a great choice.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 29, 2026
T
Verified Purchase
Thomas Wells
Louisville, US
★★★★★ 5
Great wrist rest with a modern look!
Color: Walnut Wood, Size: Medium, Color: Walnut Wood, Size: Medium
This is a great looking addition to my desk. It’s a just the right length to fit my keyboard and I love the walnut coloring! It’s real wood and has nice rubber feet on the bottom to keep it from moving around. The angle is nice for my wrists and it’s easy to clean with just a damp cloth. If I ever wear this one out (which I doubt) I’d buy another!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 31, 2026
E
Verified Purchase
Elektra
Lowell, US
★★★★★ 5
Super comfortable - much better than memory foam wrist rests!
Color: Walnut Wood, Size: Large, Color: Walnut Wood, Size: Large
Get this wrist rest - you won't be disappointed. Had ergonomic keyboards and have tried memory foam rest in the past and this is much better. Smooth wood, perfect height and very supportive to keep wrists in neutral position when typing. Got the 17.3" and like that there's ample room to not feel squashed, but probably could have done with the medium length. Great angle for my mechanical keyboard. Love it!
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Reviewed in the United States on April 6, 2026
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Verified Purchase
James M.
Alexandria, US
★★★★★ 4
What an excellent wrist rest! Except for this one thing....
Color: Walnut Wood, Size: Large
This is a solid piece of wood with great quality. Fantastic large rubber grips on the bottom (left and right sides only). Pro: I use it for editing and gaming. And though I thought the wood might be a bad choice in the long run, it turns out it's pretty nice. Not as comfortable as a gel rest but I knew what I was getting when I ordered it. I buy things for function AND aesthetics. I love how this looks. The uniqueness is really something. I got the natural one instead of the black so that the grains and lines can be easily seen. Con: Unfortunately, after almost 2 months, the wood has warped some. Not enough to effect my typing but, enough that I notice it. The warp is the kind where the opposite angled corners go up and down. While the other 2 corners are fine. In my case, the top left and bottom right, when pressed independently, rock the wrist rest. The top right and bottom left stay grounded. This is why I took a star off. Because there's no way this should be happening. So, looks and quality are up there. The rubber grips are solid. Why it's warping is puzzling to me. NO liquid wasted on it. Or, extreme temperature changes have happened. I've made sure the rubber grips. And that the surface the rest sits on (a glass mouse scrolling top by Superglide) is clean. Yet, I get this slight rocking. It bugs me this all happened right after the return window closed. I would've simply exchanged it. I love it too much. I mean, this is, again, a SOLID piece of wood. Maybe this won't happen for everyone. I mean, it's wood. Eh I would still recommended this regardless.
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Reviewed in the United States on November 24, 2025
A
Verified Purchase
Amazon Customer
Louisville, US
★★★★★ 5
Fantastic Product
Color: Walnut Wood, Size: Small
This is very nice! I type all day for my job and this made a big difference. It's very comfortable and supportive. Im allergic to latex rubber, which is in most gel options. It's really nice to have a safe, effective alternative
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Reviewed in the United States on May 22, 2026

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