![RIN [High-density. Tightly compacted.] Splash & Go, Whetstone Sharpening stone grit w/Nagura, 7.1" x 2.4" x 0.8" (Ideal for home-use), Made in Japan (#3000)](https://m.media-amazon.com/images/I/51yWrA3F99L._AC_SL1500_.jpg)
![RIN [High-density. Tightly compacted.] Splash & Go, Whetstone Sharpening stone grit w/Nagura, 7.1" x 2.4" x 0.8" (Ideal for home-use), Made in Japan (#3000)](https://m.media-amazon.com/images/I/71KlwVNEz7L._AC_SL1500_.jpg)
![RIN [High-density. Tightly compacted.] Splash & Go, Whetstone Sharpening stone grit w/Nagura, 7.1" x 2.4" x 0.8" (Ideal for home-use), Made in Japan (#3000)](https://m.media-amazon.com/images/I/71zplmSarSL._AC_SL1500_.jpg)
![RIN [High-density. Tightly compacted.] Splash & Go, Whetstone Sharpening stone grit w/Nagura, 7.1" x 2.4" x 0.8" (Ideal for home-use), Made in Japan (#3000)](https://m.media-amazon.com/images/I/71dpdq0KaQL._AC_SL1500_.jpg)
![RIN [High-density. Tightly compacted.] Splash & Go, Whetstone Sharpening stone grit w/Nagura, 7.1" x 2.4" x 0.8" (Ideal for home-use), Made in Japan (#3000)](https://m.media-amazon.com/images/I/71PYrlo4dOL._AC_SL1500_.jpg)
![RIN [High-density. Tightly compacted.] Splash & Go, Whetstone Sharpening stone grit w/Nagura, 7.1" x 2.4" x 0.8" (Ideal for home-use), Made in Japan (#3000)](https://m.media-amazon.com/images/I/71VPKwdTccL._AC_SL1500_.jpg)
![RIN [High-density. Tightly compacted.] Splash & Go, Whetstone Sharpening stone grit w/Nagura, 7.1" x 2.4" x 0.8" (Ideal for home-use), Made in Japan (#3000)](https://m.media-amazon.com/images/I/715em8HdkEL._AC_SL1500_.jpg)
![RIN [High-density. Tightly compacted.] Splash & Go, Whetstone Sharpening stone grit w/Nagura, 7.1" x 2.4" x 0.8" (Ideal for home-use), Made in Japan (#3000)](https://m.media-amazon.com/images/I/61XcJ5GAKYL._AC_SL1500_.jpg)
![RIN [High-density. Tightly compacted.] Splash & Go, Whetstone Sharpening stone grit w/Nagura, 7.1" x 2.4" x 0.8" (Ideal for home-use), Made in Japan (#3000)](https://m.media-amazon.com/images/I/61Ib2XlkrpL._AC_SL1500_.jpg)
![RIN [High-density. Tightly compacted.] Splash & Go, Whetstone Sharpening stone grit w/Nagura, 7.1" x 2.4" x 0.8" (Ideal for home-use), Made in Japan (#3000)](https://m.media-amazon.com/images/I/619S9H18tFL._AC_SL1500_.jpg)
![RIN [High-density. Tightly compacted.] Splash & Go, Whetstone Sharpening stone grit w/Nagura, 7.1" x 2.4" x 0.8" (Ideal for home-use), Made in Japan (#3000)](https://m.media-amazon.com/images/I/61jaYCF5diL._AC_SL1500_.jpg)
RIN [High-density. Tightly compacted.] Splash & Go, Whetstone Sharpening stone grit w/Nagura, 7.1" x 2.4" x 0.8" (Ideal for home-use), Made in Japan (#3000)
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Product details
| Management number | 210174122 | Release Date | 2026/04/02 | List Price | US$17.99 | Model Number | 210174122 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
- RIN is ALTSTONE’s Hard-Type Whetstone. High-density. Tightly compacted.
- [Non-soaking] Ready to use with just a splash of water.
- [Made in Japan] This ceramic whetstone is proudly made in Japan and comes with a matching Nagura stone. We work closely with partner factories in Japan and manage every step—from planning to delivery—under one roof to offer high-quality Japanese whetstones at reasonable prices.
- [High Grinding Power] A high concentration of WA abrasives ensures strong sharpening performance. Even beginners can immediately feel the blade being sharpened.
- [Compatible with Various Steels] This stone can sharpen common stainless steel kitchen knives as well as high-hardness steel blades. Please note: It is not suitable for non-metallic knives such as ceramic, or blades made of special materials like titanium.
- [Includes Non-Slip Mat] A simple yet effective non-slip rubber mat is included, designed to work well on stainless steel kitchen surfaces. Carefully selected from dozens of materials, this mat offers stability even without a sharpening stand—ideal for quick sharpening in the kitchen.
- [Thorough Inspection] Each stone undergoes rigorous quality control, including both manufacturer and in-house inspections. Only flawless products are shipped.
- [Size] Main Stone: 7.1" x 2.4" x 0.8" (ideal for home use) Nagura Stone: 1.1" x 2.4" x 0.8"
- [Weight] Main Stone: 15.2 oz (430g) Nagura Stone: 2.5 oz (70g)
- ALTSTONE by ALTWAYS.LLC, manufactured by Suehiro in Japan.
| Color | White |
|---|---|
| Grit Type | Medium |
| Brand Name | ALTSTONE |
| Item Weight | 1.44 Pounds |
| Manufacturer | ALTSTONE |
| Material Type | Ceramic |
| Included Components | Nagura stone, Non-slip mat |
| Item Dimensions L x W x H | 7.1"L x 2.4"W x 0.8"H |
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