Materials: Q12-White Steel #1 vs #2

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Two steels, one tradition—find the blade that matches your style.

When choosing a traditional Japanese knife, the decision between White Steel #1 and White Steel #2 often becomes the defining choice. Both belong to the same lineage, sharing a legacy of purity and sharpness, yet their subtle differences reveal why each is suited for different chefs and cooking styles.

White Steel #1, with its higher carbon content, delivers unmatched hardness, precision, and edge retention. It is the choice for chefs who demand ultimate sharpness and are willing to invest the time and skill required for sharpening and care. However, its strength comes with brittleness, requiring proper technique and meticulous maintenance.

White Steel #2, slightly softer and easier to sharpen, offers a balance of sharpness, toughness, and approachability. It is trusted by professionals for everyday use and admired by beginners for its forgiving nature. Often considered the “benchmark” carbon steel, it reflects the essence of Japanese craftsmanship while remaining versatile and practical.

The right choice depends on your skill, purpose, and philosophy. White Steel #1 is for professionals who value precision above all else. White Steel #2 is for those who want a versatile partner that combines tradition with ease of use. Both steels, however, carry the spirit of Japanese forging and the potential to become lifelong companions in your kitchen.

Our Story

  • Tradition of Sakai, in Your Hands

    "Where can I find a truly great knife?"
    We started KIREAJI to answer that question. While the number of skilled craftsmen is declining in Japan, many people overseas are seeking authentic blades. With that in mind, we carefully deliver each knife—bridging tradition and kitchens around the world.