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alt="The Yoshikazu Tanaka Ittosai Kotetsu Gokujo kurouchi shirogami#1 gyuto 210mm, featuring a light wooden handle and dark blade, rests on a gray surface."
class="image-magnify-hover"
loading="lazy"
width="1500"
height="1500"
alt="The Yoshikazu Tanaka Ittosai Kotetsu Gokujo kurouchi shirogami#1 gyuto 210mm, featuring a light wooden handle and dark blade, rests on a gray surface."
class="image-magnify-hover"
loading="lazy"
width="1500"
height="1500"
alt="The Yoshikazu Tanaka Ittosai Kotetsu Gokujo 210mm gyuto features a kurouchi finish, dark textured Shirogami #1 steel blade, polished edge, and engraved markings near the handle, displayed on a gray surface."
class="image-magnify-hover"
loading="lazy"
width="1500"
height="1500"
alt="The Yoshikazu Tanaka Ittosai Kotetsu Gokujo 210mm gyuto features a kurouchi finish, dark textured Shirogami #1 steel blade, polished edge, and engraved markings near the handle, displayed on a gray surface."
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loading="lazy"
width="1500"
height="1500"
alt="A close-up of the Yoshikazu Tanaka Ittosai Kotetsu Gokujo kurouchi shirogami#1 gyuto 210mm shows a partly rough kurouchi finish, polished edge, and Japanese characters on the blade, set against a gray textured background."
class="image-magnify-hover"
loading="lazy"
width="1500"
height="1500"
alt="A close-up of the Yoshikazu Tanaka Ittosai Kotetsu Gokujo kurouchi shirogami#1 gyuto 210mm shows a partly rough kurouchi finish, polished edge, and Japanese characters on the blade, set against a gray textured background."
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loading="lazy"
width="1500"
height="1500"
alt="The Yoshikazu Tanaka Ittosai Kotetsu Gokujo kurouchi shirogami#1 gyuto 210mm, showcasing a pointed tip and striking finish transition, is displayed on a gray surface with its dark kurouchi upper blade and polished lower edge."
class="image-magnify-hover"
loading="lazy"
width="1500"
height="1500"
alt="The Yoshikazu Tanaka Ittosai Kotetsu Gokujo kurouchi shirogami#1 gyuto 210mm, showcasing a pointed tip and striking finish transition, is displayed on a gray surface with its dark kurouchi upper blade and polished lower edge."
class="image-magnify-hover"
loading="lazy"
width="1500"
height="1500"
alt="Close-up of the Ittosai Kotetsu Gokujo kurouchi shirogami#1 gyuto 210mm by Yoshikazu Tanaka, showing a sharp, polished edge and kurouchi finish with engraved kanji characters. The blade rests on a dark, matte background."
class="image-magnify-hover"
loading="lazy"
width="1500"
height="1500"
alt="Close-up of the Ittosai Kotetsu Gokujo kurouchi shirogami#1 gyuto 210mm by Yoshikazu Tanaka, showing a sharp, polished edge and kurouchi finish with engraved kanji characters. The blade rests on a dark, matte background."
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alt="The Yoshikazu Tanaka Ittosai Kotetsu Gokujo kurouchi shirogami#1 gyuto 210mm chefs knife, with a sharp, pointed blade and hammered finish, features a polished edge and engraved markings on dark grey."
class="image-magnify-hover"
loading="lazy"
width="1500"
height="1500"
alt="The Yoshikazu Tanaka Ittosai Kotetsu Gokujo kurouchi shirogami#1 gyuto 210mm chefs knife, with a sharp, pointed blade and hammered finish, features a polished edge and engraved markings on dark grey."
class="image-magnify-hover"
loading="lazy"
width="1500"
height="1500"
alt="The Yoshikazu Tanaka Ittosai Kotetsu Gokujo Kurouchi Shirogami #1 Gyuto 210mm, featuring a light wooden handle and dark kurouchi finish blade, is placed on a gray surface."
class="image-magnify-hover"
loading="lazy"
width="1500"
height="1500"
alt="The Yoshikazu Tanaka Ittosai Kotetsu Gokujo Kurouchi Shirogami #1 Gyuto 210mm, featuring a light wooden handle and dark kurouchi finish blade, is placed on a gray surface."
class="image-magnify-hover"
loading="lazy"
width="1500"
height="1500"
alt="The Yoshikazu Tanaka Ittosai Kotetsu Gokujo kurouchi shirogami#1 gyuto 210mm, with a light wooden handle, rests beside a dark gray knife box with Japanese writing on the lid, displayed on a gray surface."
class="image-magnify-hover"
loading="lazy"
width="1500"
height="1500"
alt="The Yoshikazu Tanaka Ittosai Kotetsu Gokujo kurouchi shirogami#1 gyuto 210mm, with a light wooden handle, rests beside a dark gray knife box with Japanese writing on the lid, displayed on a gray surface."
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loading="lazy"
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alt="Close-up of the tip of the Yoshikazu Tanaka Ittosai Kotetsu Gokujo kurouchi shirogami#1 gyuto 210mm, photographed from above with the blade vertical against a plain white background."
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loading="lazy"
width="1500"
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alt="Close-up of the tip of the Yoshikazu Tanaka Ittosai Kotetsu Gokujo kurouchi shirogami#1 gyuto 210mm, photographed from above with the blade vertical against a plain white background."
The Ittosai Kotetsu Kurouchi 210mm Wa-Gyuto is a Japanese chef's knife from Sakai, Japan. Featuring Shirogami #1 core steel, prized for its peak sharpness, this knife benefits from Tanaka-san's renowned heat treatment, which optimizes the steel’s balance of hardness, toughness, and sharpenability. The blade has reactive iron cladding and a true kurouchi finish, delivering exceptional performance for both home cooks and professional chefs.
Hand-forged in Sakai, Japan by Yoshikazu Tanaka
Sharpened by Shotaro Nomura
198mm (7.80") cutting edge length
Shirogami #1 core steel for maximum sharpness
Bokashi finish on the blade road (not sandblasted) with a nail-flexing thin edge
Rustic aesthetic with a true kurouchi finish (see notes)
Reactive iron cladding develops a protective patina over time
For the care and maintenance of Japanese kitchen knives, such as this 210mm Japanese chef's knife, please refer to our care guide below.
Slight measurement variations are common in Japanese kitchen knives.
Small surface finish variations in knives are a normal part of the handcrafting process.
The faded spots on this knife are normal. This is an authentic kurouchi finish, not a 'painted' or chemically forced synthetic finish with a super smooth and homogenous appearance seen on other brands. Each Tanaka kurouchi knife in this series will show these natural variations.
Shipping & Returns
• Worldwide shipping from Tokyo via EMS/DHL • Ships within 24-48 hours • Online tracking included • 30-day returns on unused items Details
Care Guide
• Use whetstones for sharpening • Use wooden or rubber cutting boards • Keep clean and dry to prevent rust • Avoid cutting bones or frozen foods • Hand wash only - no dishwasher View Complete Care Guide
