●Japanese Natural Whetstone Hirashima Chunk #80 / 3090g from Nagasaki Pref. 8.08

Availability In stock

Product Type Kitchen Goods

Vendor ikyu-japanavenue

Japanese Natural Whetstone Hirashima Chunk #80 / 3090g from Nagasaki Pref.

Description

This is a rare natural Hirashima-to coarse whetstone formerly quarried in Nagasaki Prefecture. Mining ended much earlier than it did for Omura-to, so very few examples remain today, making it an increasingly difficult-to-find vintage stone.

Its sharpening feel closely resembles that of Chamesuki Omura-to. Despite being a coarse stone, it has relatively smooth and predictable feedback, making it comfortable and easy to use. Its strong cutting power makes it particularly suitable for removing deep rust, repairing large chips, and reshaping blades—tasks that require the efficient removal of substantial amounts of steel.

The stone produces a generous amount of slurry during sharpening, while its abrasive particles remain relatively resistant to breaking down. As a result, its cutting action remains strong and consistent, allowing deep rust and major edge damage to be corrected efficiently in a short time.

Historically, Hirashima-to was used in the initial grinding stage immediately after a kitchen knife was forged. It was employed to establish the blade’s shape and remove the black oxide scale formed during forging. Because of its strong abrasive properties, it was also used as a deck-grinding stone to remove stains and buildup from boats.

Combining the manageable sharpening feel associated with Chamesuki Omura-to with the powerful cutting performance expected of a coarse stone, Hirashima-to is a rare natural whetstone of both considerable practical utility and historical significance.

Please note that these are not for beginner sharpeners since they're harder to use. These are natural stones meaning that every single one of them are different so my measured sizes are not accurate. This is a lifetime investment for people who live sharpening their knives, razors and tools, do not hesitate to ask me your questions

-Dimension :93mm x 223mm x 63mm ( Approx.) / Weight :3090g

-Grit size: For coarse process #80

-Hardness: 3.5

- Excellent stone for knives, also for the coarse process of farmer tool such as Sickle, Axe

Please check the pictures and don't hesitate to ask any questions about the item !

Thank you.

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Returns

Unconditional Return Policy

Customer service and satisfaction are very important to us.
I have an unconditional return policy if notified within 30 days of the receipt of the item.

All returned items must be the original condition.
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International Buyers

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Returns Policy

You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).

You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).

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Shipping

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