Yoshikazu Tanaka — Blue #1 Gokujyo Hon Kasumi Tall Gyuto 255mm No Handle
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Yoshikazu Tanaka Blue #1 Gokujyo Hon Kasumi Tall Gyuto 255 mm — Blade Only
This tall Gyuto is forged in Sakai by Yoshikazu Tanaka with an Aogami #1 (Blue #1) carbon-steel core, reactive soft-iron cladding, and a Gokujyo Hon Kasumi finish. The product record identifies Shotaro Nomura as the sharpener for this knife. The title uses the nominal 255 mm size; the measured cutting edge is 246 mm.
Handle not included: This listing is for the blade without a fitted handle. Browse custom wa handles and confirm compatibility and installation before ordering.
Use and Care
The core and cladding are reactive. Hand-wash and dry the blade immediately after use. Apply a light coat of food-safe camellia or mineral oil for longer storage. Use a suitable wood or soft synthetic cutting board, and avoid bones, frozen food, twisting, and hard impacts.
Specifications
- Blacksmith: Yoshikazu Tanaka
- Sharpener: Shotaro Nomura (Nomura Shōtarō / 野村 祥太郎)
- Origin: Sakai, Japan
- Profile: Tall Gyuto
- Nominal size: 255 mm
- Measured cutting edge: 246 mm
- Overall length: 379 mm
- Core steel: Aogami #1 (Blue #1)
- Cladding: Reactive soft iron, Gokujyo Hon Kasumi finish
- Blade height at heel: 57.75 mm
- Spine thickness: 2.99 mm at heel; 2.23 mm at mid-blade
- Weight: Approximately 165 g (blade only)
- Hardness: Approximately 63 HRC
- Handle: None
Shipping, returns and order protection
US shipping: Free on orders over $99. Orders are normally fulfilled within 2 business days, and UPS Ground transit is typically 1–5 business days after fulfillment. Custom handle installation or sharpening may add 1–2 business days.
Returns: Eligible purchases may be returned within 180 days with a free prepaid return label. Knives sharpened by Tokushu Knife or fitted with a custom handle remain eligible if they are otherwise new, unused, undamaged, and returned in their original packaging with all included components. The same refund terms apply.
Order protection: Every order is insured. If a package is lost or damaged, contact us at Tony@TokushuKnife.com and we will handle the claim.
Outside the US: Supported international orders from TokushuKnife.com typically ship via FedEx Delivered Duty Paid (DDP). Tokushu Knife pays all applicable import duties and taxes on the customer's behalf. Customers are not responsible for paying duties or taxes. Available destinations, shipping charges and delivery estimates are shown at checkout. Customers may also shop at TokushuKnife.eu for regional inventory and options.
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Steel, Construction and Care
Our catalog includes stainless, semi-stainless and carbon steels selected for edge performance and durability. Carbon steels may develop a patina, while stainless steels are designed to resist discoloration. Follow the care guidance on each product page, hand wash only and dry the knife promptly after use.
This has got to be a top 3 knife in my collection for sheer beauty. The hon-kasumi finish absolutely shimmers in the light, and the cutting performance matches the aesthetics. Just a note for anyone who push cuts, this has a much smaller flat spot than many Japanese knives, making it more suited to rock chopping unless you change your technique considerably or use only the back 40% or so from the heel for push cuts.
This is an amazing looking knife. It's been on my list for a Tanaka Blue 1 Kasumi Finish. Very thin behind the edge. I happened to get nicked just checking it out so slightly.Tony helped us out with this gorgeous Amboyna Burl handle. He sent pics ahead of what to expect. His great customer service never goes unappreciated. Always greatful. Thanks again to you and your team. Carl
