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【Voltage Compatibility】
When using electrical appliances, please note that they are designed for Japanese voltage specifications (90-110V), so if you use them with a different voltage, it may cause a malfunction.
【Plug Type】
Our products use Japanese plug types (A or B type).
Please use a conversion adapter if necessary.
【Important Note on Transformers and Adapters】
A transformer adjusts voltage to match your device’s requirements.
A conversion adapter only changes the plug shape and does not adjust voltage.
Using only a conversion adapter without a transformer may result in damage to the product.
【Liability】
We are not responsible for malfunctions or damages caused by improper use, such as operating the product without a transformer.
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Contains one 316g finished product. Size is indicated by the outer dimensions of the box. The total weight of one product, including the outer box and forged raw stone, is 507g. These are mid- to high-grade quality whetstones from Iyo Province and Shomotoyama Yamashiro Province, and the miners themselves have handwritten their names to prevent false origins and counterfeits. The forged stones, as shown in the image, are sealed with the name written in the margin. The raw stones do not have names written on them, so please feel them for yourself and judge their physical properties. For avant-garde people who also want to practice and practice.
A neutral, rust-resistant stone from Tonokarakawa Murayama, Iyo, from the feudal era, revived after half a century! https://bit.ly/IyoMIkantsubu 10 Higonokami stones, box dimensions (approximate): 12 x 15 x 2.8-5.4 cm. Thickness may vary. (In reality, they may overflow and bulge.) Total weight including box: approx. 507g. No gacha elements, as many people have requested. You will receive the stones exactly as shown in the photo.
Any forged off parts will be polished to make it flat. If it is difficult to sit on, place a wet cloth under it or a non-deforming base with silicone adhesive. Mining is done with heavy machinery and cutting is done with a diamond cutting machine, and we are not involved in "Iyo Meito" whetstones as they are imitations with unauthorized branding. Since around 2007, only Sazare Meito products have been made with "Iyo Meito". To distinguish between these, all names other than Kokoppa are handwritten. We cannot answer inquiries about "Iyo Meito" stones that have been processed by other companies or have been manufactured after the manufacturer.
Siliceous slate from Umegahata, Ukyo Ward, Kyoto City, Yamashiro Province, #6,000-24,000 grit. The harder the stone, the more grinding is required, but the more likely it is to be finely polished. The rounded, continuous striations ensure long-lasting cutting at about 70% of the threshold, and with an artificial grindstone grain ratio, it is difficult to achieve a dull mirror finish, making it easier to bring out the contrast resulting from differences in forging joints, material, and carbon content.
The blacker the rock juice, the harder and finer the stone tends to be. The harder the stone, the less sharp it becomes, so we perform the "Konagura-gake" process each time we sharpen it, depending on the purpose and level of skill.
The power of locally produced products!!
Please refer to the box size above. The weight is the package weight. Please use this as a reference for size comparison.
The clear grain pattern makes it easy to work with and increases yield when cutting into smaller pieces. Please try cutting and cutting for yourself and see for yourself the difference in the properties and performance of the grinding stone.
There are various types, sizes, and shapes. If the stone is large enough for the blade you are sharpening, you can use it as is. If it is not, you can break it into smaller pieces and use it for sharpening swords.