Mirror Polished Blur Finish: Where Japanese Steel Becomes Art

  • Discover the artistry behind KIREAJI’s Mirror Polished Blur Finish — a unique fusion of mirror shine and soft matte gradient, created by master artisans using glass bead blasting. With its refined beauty and practical advantages, this knife transforms everyday cooking into a moment of quiet elegance.

  • Meet the Traditional Craftsmen Behind the Technique

Forging: White Steel #2, Blue Steel #2

Shogo Yamatsuka

A master blacksmith renowned for his exceptional skill in forging Ginsan steel—a rarity in Sakai. Certified as a Traditional Craftsman in 2012, he is trusted by professional chefs for overseeing every step of knife-making, including final sharpening, with unwavering precision.

Forging: Blue Steel #1

Satoshi Nakagawa

The youngest Traditional Craftsman ever certified in Sakai. Recognized at age 30 for his outstanding forging skills, Nakagawa is a favorite among top Japanese and Western chefs. He is seen as a key figure leading the next generation of Sakai craftsmanship.

Sharpening

Tadayoshi Yamatsuka

Certified as a Traditional Craftsman in 2022, Mr. Yamatsuka is highly regarded in Sakai for his exceptional mirror-polishing skills. His beautifully finished blades continue to captivate chefs both in Japan and around the world.

Mirror Polished Blur Finish Knife Collection

KIREAJI's Three Promises to You

  • All Japanese Knives from Sakai City

    1. Exceptional Japanese Knives

    Our knives, crafted by Sakai City's master artisans, combine traditional techniques with carefully selected materials, delivering unrivaled sharpness and durability.

  • 2. For a Lifetime of Use

    At KIREAJI, we see knives as lifelong companions. Each knife comes with a free saya, and we offer Honbazuke hand-sharpening by Shiroyama Knife Workshop in Sakai City.

  • 3. Supporting the Joy of Continued Use

    KIREAJI knives are made to grow with you. That’s why we provide trusted after-sales care (fee-based) .

Why Many Product Photos Show Only the Blade

At KIREAJI, every knife is Made to Order.
That means your knife is completed — handle attached and final adjustments made — only after you place your order, by skilled artisans in Sakai, Japan.

Made to Order Japanese Knives

Global Delivery from Sakai

Across the world, discerning customers seekgenuine Japanese knives crafted in Sakai.
At KIREAJI, we work alongside the master artisans of Sakai to fulfill that desire — shipping authentic Japanese knives straight from Sakai to kitchens around the globe.

Global Delivery from Sakai

  • Ⅰ. Why Choose a Mirror Polished Blur Finish Knife? — The Ultimate Fusion of Beauty and Function

  • A mirror polished blur finish knife is a masterpiece that combines both artistic beauty and practical functionality. The delicate mirror-like shine layered with the subtle blur pattern creates a visual effect akin to a work of art. Every time you cook, the knife’s refined design inspires your senses and transforms your cooking experience into something truly special.

    In addition, it offers a perfect balance of sharpness and ease of use, making it highly appreciated by professional chefs and home cooks alike.

    Moreover, owning such a knife brings a sense of pride, making it a meaningful gift with a unique presence. The craftsmanship and aesthetic awareness you feel every time you use it add color and emotion to your everyday life.

  • Ⅱ. Daily Care for Your Mirror Polished Blur Finish Knife

  • A knife with a mirror polished blur finish is not only visually stunning but also highly functional. To maintain its beautiful shine and exceptional sharpness over time, proper daily care is essential.

    After use, gently wash the blade with lukewarm water using a mild, neutral detergent. Avoid harsh sponges or abrasive cleaners, as they can damage the delicate surface of the mirror polished blur finish.

    Once cleaned, thoroughly dry the knife with a soft cloth to prevent moisture, which can cause rust.

    For storage, keep your knife in a dry place and use a knife case or dedicated knife stand to protect the blade.

    By taking these simple daily steps, you can enjoy the beautiful layered pattern and sharpness of your mirror polished blur finish knife for many years.
    The more care you put in, the deeper your connection with this truly lifelong companion becomes.

The Origin of Craftsmanship

  • “A Blade That Reflects Stillness” — The Philosophy Behind the Mirror Polished Blur Finish

  • Mirror Polished Blur Finish is not about simply making a knife shine.

    Like the surface of a mist-covered lake, it’s a finish that captures quiet depth and subtle presence.

    Rather than a flawless mirror, this gentle, slightly blurred reflection embodies the Japanese aesthetic of "beauty in restraint"—a sense of elegant imperfection.

    Through this finish, we aim to give the blade a sense of stillness and depth—something that calms the mind of the chef every time they pick it up.

    It takes time. It takes care. But in that process, we believe a certain warmth is born—one that speaks softly to the hands and heart of its user.
Sakai Traditional Craftsmen Collection