Do you need water or oil when sharpening?

Avoid using water when sharpening.The iron powder on the surface of the grindstone may rust.After testing, there is little difference in sharpening performance between oil and dry sharpening, so no oil is required.

Black marks appear on the surface after using the whetstone.Does this mean diamonds have worn out?

No, the black marks are the dirt that is attained by sharpening and not indicate diamond wear.These marks do not affect the sharpening performance and can be left as is.Light stains can be removed with an eraser.For stubborn stains, use Bar Keepers Friend and let it dry.

Should you apply strong pressure when sharpening with this diamond whetstone?

Avoid excessive stressToo much pressure will cause the diamond to wear faster and shorter life.Polishing with light pressure will extend the life of the diamond particle

How long can I use it?

Life may vary depending on the frequency of use, the hardness of the material being sharpened and how you care for.If properly maintained, it will last for more than 3-4 times a week.Regular cleaning and using light pressure is the key point for long lasting durability.

What is the cause of rust? How should I deal with it?

The base of this product is made of stainless steel so it will never rust.The rust shown is oxidized by iron powder remaining on the surface of the whetstone.Otherwise, it may happen if not properly cleaned.Use Bar Keepers Friend powder cleaner to remove dirt and dry the whetstone.

How to clean diamond whetstones?

To clean the whetstone, wipe gently with a dry paper towel.If there is a clog, use a rubber eraser or nylon brush to remove the whetstone will return to its original state.

SHARPAL 181N Stick Type Knife Whetstone Mini Whetstone with Leather Case and Diamond Sharpener

SHARPAL 181N Stick Type Knife Whetstone Mini Whetstone with Leather Case and Diamond Sharpener

Product ID: 732587326

Details

Material
Stoneware
Brand
SHARPAL
Color
Pro
Product Dimensions
22L x 4.2W x
Item Weight
160 Grams

👜Genuine leather sheath with survival paracord

💎5x faster diamond sharpening

⚙️Dual grit 325/1200 for coarse & fine edges

Description

💎 Sharpen smarter, not harder — edge perfection in every stroke!

SURVIVAL READY DESIGN - Includes a genuine cowhide leather sheath that doubles as a strop and a detachable 2m paracord handle wrap for emergency use.
PRECISION DUAL GRIT SYSTEM - Coarse 325 grit resets dull blades; ultra-fine 1200 grit hones to a mirror finish for razor-sharp perfection.
LIGHTNING FAST EDGE REVIVAL - Industrial single-crystal diamond sharpens blades up to 5x faster than traditional whetstones, saving you precious time.
TRUSTED DURABILITY SUPPORT - Backed by a 3-year warranty and global after-sales service from Sharpal’s USA, Germany, and Australia branches.
ALL IN ONE SHARPENING POWERHOUSE - Effortlessly sharpens kitchen knives, axes, and scissors—no oil or water needed for dry polishing of even carbide edges.

The SHARPAL 181N Diamond Knife Sharpener features a double-sided industrial single-crystal diamond surface that sharpens blades up to 5 times faster than traditional whetstones. With coarse 325 grit and ultra-fine 1200 grit sides, it quickly restores and hones kitchen knives, axes, and scissors without oil or water. Packaged with a genuine cowhide leather sheath that doubles as a strop and a survival paracord handle wrap, this multipurpose whetstone combines durability, precision, and convenience, backed by a 3-year warranty and global customer support.

Specifications

Manufacturer	Sharpal Inc.
Model Number	181N
Package Dimensions	30.9 x 14.3 x 2.2 cm
Material	Stoneware, Diamond Coating, Monocrystalline Diamond
Color	Pro
Size	パラコードハンドル付きレザーストロップ
Package Weight	0.22 Kilograms
Batteries Required	No
Batteries Included	No
Warranty Description	3 years
Brand Name	SHARPAL
Item Weight	160 Grams

Reviews

H**D

掴みやすい

掴みやすく、使いやすいです。

12.12.2025

G**N

斧用としてはかなりの満足度

薪割りの斧を研ぐために購入しました。かなり強力でちゃんと遂げます。繊細さが必要な家庭用の包丁には向かないかもしれませんが。

30.11.2025

山**3

まあまあ研ぐことができた、こんなものでしょ。

町内会の一斉清掃で剪定ばさみの苦情があり、それを研ぐために購入、まあまあ研ぐことができた。

14.12.2024

た**ご

使いやすいです。

とても使いやすいです。手斧とナイフを研ぎましたが、端が多少研ぎにくい感じです

25.11.2025

A**ー

良品！

キャンプシーンで大活躍。

20.09.2025

夜**郎

カッコいい

キャンプ用の手斧やナイフ用に購入し、常にキャンプ道具コンテナに入れてあります。良い点：無骨でカッコいい気になる点：その裏返しだが、むき身だと他に当たって傷つけやすいしょっちゅう使う物ではないので、コンテナの奥の方にしまっておく分にはいいかな、とケースは付けていません

28.11.2025

B**A

Great product

Great product. 100% as described. Photos are accurate.

3.11.2025

山**郎

携帯用の入れ物

剪定バサミのために購入しました。切れ味はそれなりに戻った気がします。ただ、配送時に入ってたプラスチックの入れ物にしまうしかないので、専用の入れる物が付いてると良かった。

30.03.2025

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