Tadayoshi Yamatsuka
Master of Japanese Knife Mirror Polishing
- Mr. Yamatsuka was recognized as a traditional craftsman in 2022.
- Excelling in blade sharpening skills, especially for thin blades
- Renowned in Sakai for his mirror polished technique on Japanese knives.
KIREAJI's Three Promises to You
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1. High-quality Japanese Knive
KIREAJI offers high-quality knives crafted by skilled artisans from Sakai City. Utilizing traditional techniques and carefully selected materials, we achieve superior sharpness and durability.
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2. Genuine Sharpness
To ensure you experience sharpness, we provide a free Honbazuke by our skilled craftsmen.
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3. Lifetime Knife Use
Every knife comes with a free Saya(Sheath) for durability. We also provide paid after-sales services with Sakai City Japanese knife workshop.
Features of ZDP189
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World-Class Hardness
ZDP189 is a high-hardness stainless steel developed by Hitachi Metals, Ltd. Due to its extremely high hardness, it maintains sharpness for extended periods.
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Excellent Wear Resistance
Thanks to its high hardness, ZDP189 exhibits superior wear resistance compared to conventional stainless steels, reducing the need for frequent sharpening.
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Challenging to Handle
ZDP189 is extremely hard, making it difficult to sharpen and unsuitable for beginners. Skilled technique is required for effective use.
Recommended Users for ZDP189
- Professional chefs and knife enthusiasts with expertise
Knives made with ZDP189, an extremely hard powdered metallurgy stainless steel, exhibit exceptional sharpness and maintain their edge even after prolonged use, making them ideal for professional chefs and knife aficionados. The sustained sharpness and precision cutting are significant advantages, especially in busy professional kitchens where knives are frequently used. - Skilled knife handlers
Due to its low toughness, there is a risk of blade chipping with excessive force, and sharpening ZDP189 knives requires advanced techniques. Therefore, these knives are best suited for individuals experienced in knife care and sharpening. Those with a knack for knife handling will appreciate the satisfying performance provided by the hardness and sharpness of ZDP189 blades.
Before Using a Knife
Knives are crucial tools in cooking, and understanding their proper usage helps maintain quality, durability, and safety. We hope our customers will enjoy using their knives for a long time and enhance their cooking experiences.
Daily Care of Japanese Knives
We aim for all of you to use your knives for a long time. To achieve this, we have summarized what aspects of knife care you should pay attention to on a regular basis.
If you have any questions, please feel free to contact us. (Estimated reply time: within 10 hours)
