• A knife is not just a tool — it is a lifelong partner in your culinary journey.

    At KIREAJI, we stand behind every blade, ensuring it remains sharp, balanced, and beautiful for years to come. That is why after-sales care is entrusted to the very hands that forged it — the master artisans of Shiroyama Knife Workshop in Sakai, Japan.
    Because for us, true craftsmanship does not end with the sale — it lives on, every time you cook.

  • Caring for Your Knife — and Your Culinary Journey

    At KIREAJI, we believe a knife is not just a tool — it is a lifelong partner in your culinary journey.

    Each KIREAJI knife is crafted in Sakai by master artisans,
    carrying not only sharpness but also the spirit of Japanese craftsmanship.

    To honor this legacy, we provide dedicated after-sales service,
    ensuring your knife stays in perfect condition for many years to come.

  • Repairs by Shiroyama Knife Workshop

    All services are carried out by the Shiroyama Knife Workshop — the very workshop that produces KIREAJI knives.

    Every repair is performed by skilled craftsmen,
    with the same precision, care, and respect
    as when the knife was first made.

  • STEP 1

    Please submit the details of your repair or maintenance request through our inquiry form.

  • STEP 2

    Our team will consult directly with the Shiroyama Knife Workshop
    to confirm whether the repair is possible.
    We will then provide a detailed cost estimate by email.

  • STEP 3

    Once you agree with the estimate,
    we will kindly ask you to proceed with payment via PayPal.

  • STEP 4

    Please send your knife to the Shiroyama Knife Workshop.
    Kindly note that shipping costs are the responsibility of the customer.

  • STEP 5

    Your knife will be carefully repaired by skilled craftsmen,
    with the same precision and respect as when it was first made.

  • STEP 6

    After completion, we will securely ship your knife back
    to the address you provided,
    taking every precaution to ensure safe delivery.

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  • Please note:

    In rare cases, depending on the condition or extent of damage,
    repairs may not be possible.
    Should this occur, we will inform you in advance
    and sincerely appreciate your kind understanding.

  • To ensure your knife arrives safely,
    we kindly ask you to follow the steps below with care.

    1. Blade Protection
    Attach the original protective sheath provided at purchase.
    If unavailable, securely wrap the blade
    with a thick cloth or heavy paper to prevent damage.

    2. Cushioning and Stability

    Use bubble wrap, newspaper, or cushioning materials to keep the knife stable inside the box.
    Whenever possible, please use the original packaging for maximum safety.

    3. Shipping Address
    Please send your knife to the following address:

    Shiroyama Hamono Seisakusho
    3-4-14 Minami Hagoromochi-Nishi, Sakai-ku
    Sakai City, Osaka 590-0965
    Japan

  • Thank you sincerely for taking the time to ensure safe packing and delivery.
    We deeply appreciate your care, and in return,
    you may rest assured that your knife will be treated with the same dedication and respect that you have shown in using it.

For Repair Inquiries 

  • Your KIREAJI knife is supported by a repair service performed by the same Sakai artisans who forged it.
    Submit your request, approve the estimate, and send in your knife.
    Our craftsmen restore it with its original precision and respect, ensuring your knife remains a lifelong culinary partner.

Before Using a Knife

A knife is more than a tool—it’s the heart of cooking. Learning how to use it properly helps protect its quality, durability, and safety, so you can enjoy it for years while elevating every meal.

Before Using a Knife

Daily Care of a Japanese Knife

With the right daily care, your knife will stay sharp and reliable for a long time. Here, we share the key points to keep it in peak condition and extend its lifespan.

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

    While more artisans today are turning to machining techniques, forging goes far beyond simply shaping the steel. In the act of heating, hammering, and drawing out the steel’s true nature, the soul of craftsmanship is born.

  • It is not merely mechanical work—it is a dialogue with the material, a language spoken through subtle vibrations felt in the palms. These almost imperceptible changes, repeated with patience and focus, accumulate into the making of a genuine knife.

  • This is not a skill one can acquire quickly. It is a profound art, achievable only through years of experience, relentless practice, and unwavering dedication.

  • japanese_knife_made_in_Sakai

    1. Forged in the Legacy of Sakai

    From Sakai City—Japan’s renowned birthplace of professional kitchen knives—each blade is crafted by master artisans with over six centuries of tradition. Perfectly balanced, enduringly sharp, and exquisitely finished, every cut carries the soul of true craftsmanship.

  • 2. Thoughtful Care for Everyday Use

    Every knife includes a hand-fitted magnolia saya for safe storage. Upon request, we offer a complimentary Honbazuke final hand sharpening—giving you a precise, ready-to-use edge from day one.

  • 3. A Partnership for a Lifetime

    A KIREAJI knife is more than a tool—it is a lifelong companion. With our bespoke paid aftercare services, we preserve its edge and beauty, ensuring it remains as precise and dependable as the day it first met your hand.