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【Natural Whetstone】 4-piece Trial Set of Small Pieces
Product Details
The original stone has been lightly dressed for test sharpening with simple protective measures to prevent peeling. While it can be used as is, the surface is not perfectly leveled. We believe it will be easier to use if you level and shape it yourself.
Although these are small stones, each has its own unique character, allowing you to enjoy different sharpening sensations. They would also be useful as whetstones to take outdoors for camping or BBQs.
The stones are listed below in order of hardness:
① ?Asagi-kei?: [Origin] Unknown, [Color] Dark gray, [Sharpening Feel] Hard, [Mud Output] Light gray mud appears
[Surface] Glossy, [Drawing] May draw, [Weight] Approx. 280g
[Comment] Simple protection applied. Although it has a hard sharpening feel, it produces a very good edge. Ideal for creating a wire edge.
② ?Tomamae-kei?: [Origin] Unknown, [Color] Yellowish gray, [Sharpening Feel] Slightly hard, [Mud Output] Light yellow mud appears
[Surface] Slightly glossy, [Drawing] May draw, [Weight] Approx. 200g
[Comment] Simple protection applied. Despite being slightly hard, it has a fine texture and is a versatile stone suitable for sharpening.
③ ?Aigami-kei?: [Origin] Unknown, [Color] Slightly reddish gray, [Sharpening Feel] Normal, [Mud Output] Yellowish-brown mud appears
[Surface] Matte, [Drawing] Does not draw much, [Weight] Approx. 270g
[Comment] Simple protection applied. Believed to be Aigami-kei, it has moderate softness and a fine texture similar to Uchigumori.
④ ?Aka-pin Kei?: [Origin] Unknown, [Color] Reddish-brown, [Sharpening Feel] Soft, [Mud Output] Brown mud appears
[Surface] Matte, [Drawing] Almost none, [Weight] Approx. 250g
[Comment] Simple protection applied. Quite soft, commonly known as tarutaru-kei. It could also be used as a nagura stone for mud production.
*Only whetstones are sold. All stones are approximations in their current state and do not guarantee their quality. As these are not large stones, they are suitable for small , household kitchen , comparing and testing natural whetstones. For other uses, please check the images and consider your purchase.
Thank you for your consideration.
#MizunoNaturalWhetstones
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.

















