• After Service

  • At KIREAJI, we offer after-sales services with the desire for our customers to cherish and use their lifetime knives with care. All repairs are carried out at the workshop where the knives were originally made, ensuring the highest quality.

  • After-Sales Service by Shiroyama Knife Workshop: Caring for Your KIREAJI Knives

  • KIREAJI knives are meticulously crafted by skilled artisans at the Shiroyama Knife Workshop in Sakai City. To ensure that you can enjoy your knives for years to come, the workshop offers comprehensive after-sales services. From maintenance to sharpening, their expert craftsmen provide all the support needed to keep your knives in peak condition.
Shiroyama Knife Workshop

Repair Process

  • STEP 1
    Please send the details of your care or repair needs via the inquiry form.

  • STEP 2
    Our staff will send an estimated cost to your email address. Please note that this is only an estimate, and the actual cost may vary slightly.

  • STEP 3
    Once you agree to the estimated cost, please send the product to Shiroyama Knife Workshop.

  • STEP 4
    Upon receiving the product, we will confirm the exact cost.

  • STEP 5
    After you agree to the final cost, we will proceed with the repair.

  • STEP 6
    Once the repair is complete, we will return the product to the specified address.

  • Depending on the condition of the product or the specific repairs requested, there may be cases where repairs cannot be performed at our affiliated workshop. We apologize for any inconvenience this may cause and appreciate your understanding in advance.

For Repair Inquiries　

To Ensure the Longevity of Your Knife

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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.

Before Using a Knife
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Daily Care of Japanese Knife

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.

Daily Care of Japanese Knife

Sakai Knives: A Fusion of Tradition and Masterful Craftsmanship

  • Sakai knives are Japan's pride, embodying masterful craftsmanship and precision in every step of their production. The process of creating these high-quality knives is akin to the creation of an art piece, where every stage is imbued with expertise and passion.

  • First, the blacksmiths forge iron and steel into unsharpened "blanks." Next, these blanks are handed over to skilled sharpeners who meticulously hone the blades to achieve unparalleled sharpness. Finally, the knives are fitted with handles and finished to become functional yet stunning masterpieces. Every step of this process reflects decades of experience and a deep commitment to perfection.

  • What truly sets Sakai knives apart is the meticulous selection of materials. Using premium steels such as Hitachi Metals' "Shirogami" (White Paper Steel) and "Aogami" (Blue Paper Steel), the knives achieve a perfect balance of durability and cutting performance. Additionally, controlling the temperature of the charcoal fire during forging and evaluating the blade's finish require an extraordinary level of skill and intuition, honed over years of dedication. This mastery exemplifies Japan's "artisanship of the heart," a tradition that inspires admiration worldwide.

  • The artisans of Sakai value not only the quality of their products but also the trust and traditions they uphold. For instance, a blacksmith named Mr. A chooses to focus entirely on his craft, maintaining a strong relationship with wholesalers who handle distribution. He also invests in passing down his skills to the next generation, working alongside his sons to ensure the legacy of Sakai knives continues to thrive.

  • Among Sakai's masterpieces, the "Honyaki knives" stand out as the pinnacle of craftsmanship. These knives represent the ultimate pursuit of sharpness, requiring triple the effort of standard production and presenting significant risks during forging. Such ambitious challenges embody the spirit of Sakai artisanship.

  • Sakai knives are not merely tools; they are works of art with intrinsic value. Behind each knife lies a story of dedication, innovation, and unparalleled skill. This narrative, coupled with their exceptional quality, is sure to captivate and resonate with readers around the world.

The Origin of Craftsmanship

  • Forging Steel, Crafting the Soul: The True Art of Knife Making by Master Craftsmen

  • While more artisans are now using machining techniques, our forging process goes beyond simply shaping the steel. It is in the act of heating, hammering, and drawing out the steel’s true nature that the soul of true craftsmanship is born. It’s a dialogue with the material, a subtle change felt through the palms of the hands — these small shifts build up to create a genuine knife. This technique is a deep art that can only be mastered through years of experience and dedication.
Sakai Traditional Craftsmen Collection

KIREAJI's Three Promises to You

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    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.

  • Honbazuke

    2. Genuine Sharpness

    We offer free Honbazuke sharpening performed by skilled craftsmen, ensuring that you experience the authentic sharpness of a true Sakai knife.

  • 3. Lifetime Knife Use

    Each knife comes with a free Saya (protective sheath) for added durability. We also offer after-sales service through a trusted Sakai City workshop to maintain your knife's performance.