SKU: 87959456301

Yoshihiro Suminagashi Blue #1 High Carbon Steel Edo Usuba Japanese vegetable Prep Chopping Chef Knife Ebony wood Handle

Sale price$405.00 Regular price$450.00
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Description

Yoshihiro Suminagashi Blue #1 High Carbon Steel Edo Usuba Japanese vegetable Prep Chopping Chef Knife Ebony wood HandleSuminagashi translates as "floating ink," describing the stunning marbled, wave like patterns that extend across the blade from tip to heel. These intricate designs reveal a new mosaic with every sharpening, showcasing the exceptional craftsmanship involved in creating such complex formations. Only the most skilled artisans can forge these metals together to fashion knives of the highest caliber, blending both aesthetics and performance. Our handmade

Suminagashi translates as "floating ink," describing the stunning marbled, wave-like patterns that extend across the blade from tip to heel. These intricate designs reveal a new mosaic with every sharpening, showcasing the exceptional craftsmanship involved in creating such complex formations. Only the most skilled artisans can forge these metals together to fashion knives of the highest caliber, blending both aesthetics and performance.

Our handmade Yoshihiro Blue High Carbon Steel Suminagashi knives are crafted with extraordinary skill by our master artisans. These knives exemplify the most intricate techniques of forging, layering, and hammering. The Aoko Blue Steel #1, with a hardness of 64 on the Rockwell scale, is forged with iron to create an elaborate, functional finish. The distinctive Suminagashi pattern, with its wave-like design, extends through the blade, creating a visually stunning knife that maintains peak performance.

The Yoshihiro Blue High Carbon Steel Suminagashi knives are complemented by a traditional Japanese-style handcrafted Ebony wood handle, affixed with a Water Buffalo horn bolster. A Saya, a protective wooden sheath, is included to protect the blade and enhance its appearance when not in use.

One of the most sought-after knives in the Japanese kitchen, and a fast-growing essential companion to the chef's knife, is the traditional Edo Usuba. Resembling a small cleaver, the Edo Usuba has a blunt tip, making it ideal for tasks like cutting the eye out of a potato. This knife is cherished for its ability to chop through root vegetables and slice delicate tomatoes with precision. From prepping greens for a salad to chopping vegetables for a main dish, the simplest tasks are elevated with a handcrafted knife that is as beautiful as it is functional.

Knife Specs:

  • HRC: 64
  • Grade: Suminagashi
  • Blade Material: Blue Steel #1
  • Edge Angle: Single Edged
  • Handle Material: Ebony
  • Bolster Material: Water Buffalo Horn (color varies)
  • Handle Shape: Octagonal
  • Stain Resistant: No
  • Saya Cover: Magnolia
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
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Exchange/Return Notes
  • We offer a 30-day return/exchange service after receiving.
  • Final sale items are not eligible for returns or exchanges.
  • To process your return/exchange, please contact us at [email protected]
  • Please click here for more details>>> Return & Exchange Policy
SKU: 87959456301

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4.1 ★★★★★
Based on 11 reviews
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K
Verified Purchase
Kindle Customer
Bozeman, US
★★★★★ 5
Durable, Full iPad protection, Good quality for the price, variety of colors
Color: Navy Blue, Size: Case for iPad (A16) 11th/10th Generation 11/10.9''
I am very happy with this SEYMAC case. The build quality is excellent—solid, rugged, and clearly designed to protect the iPad. The full body coverage with the built in screen protector gives me a lot of peace of mind, especially since this iPad gets used by my daughter for her art projects and she takes it everywhere. The 360° rotating hand strap and stand are surprisingly useful. The rotation is smooth, the strap feels secure, and the stand locks into angles that actually work well for drawing or watching videos. The added shoulder strap is a great touch too—it makes carrying the iPad hands free incredibly convenient. The strap doesn’t get used as much because it is typically in a bag or in her hand as she creates. The fit is perfect for the 10th gen iPad, and all the ports, buttons, and cameras line up exactly as they should. The Navy Blue color looks clean and professional without being boring. The added stylus holder is a plus as well. Overall, this case delivers outstanding protection and functionality. Its durable, designed well, and absolutely worth the price. I Highly recommended for anyone who wants serious protection without sacrificing usability. It also comes in a variety of colors so you can fit your personal style preferences.
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Reviewed in the United States on February 28, 2026
B
Verified Purchase
bernardo rosales
Chelsea, US
★★★★★ 4
Great Case, Just Minor Issues
Color: Black, Size: Case for iPad (A16) 11th/10th Generation 11/10.9''
This case is an overall good case, in the sense that it does a good job protecting the tablet. It covers the entire screen with a plastic screen, which I personally like and don’t mind. It also had a kick stand and sting to hang it, which is a must for kids. My kid has not broken his tablet since getting this case, BUT he did not last very long with it on. The plastic screen protector and the front piece, made it super difficult for him to pull down his control center from the top right corner. This annoyed him so much that he ended up taking the whole case off and eventually losing it. If they could make the plastic sheet more fitted to the screen so that the issue is fixed I would give 5 stars.
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Reviewed in the United States on November 20, 2025
C
Verified Purchase
Carrie A. Shaw
Grantham, US
★★★★★ 5
Great for portability and Many uses
Color: Black, Size: Case for iPad (A16) 11th/10th Generation 11/10.9'', Color: Black, Size: Case for iPad (A16) 11th/10th Generation 11/10.9''
I use my iPad for work!! This case is a fantastic addition - easy to use when I’m on the couch or in the Office. Stand is easily changed from vertical to horizontal - Velcro handle can change large or small. My stylus also attached to the back so everything is ready on the GO
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Reviewed in the United States on May 14, 2026
R
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Ravi M, Bloomfield NJ
Draper, US
★★★★★ 5
Great value to protect your ipad.
Color: Black, Size: Case for iPad (A16) 11th/10th Generation 11/10.9''
Nicely made and thought out product. Fits perfectly and comes with everything you need. Easy to install, looks very sturdy. The shoulder strap it comes with to carry it around makes it even more versatile.
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Reviewed in the United States on April 22, 2026
A
Verified Purchase
Anders Nilsson
Lexington, US
★★★★★ 5
It works 100% as intended plus benefit of stand that changes with ease position of screen
Color: Black+Red, Size: Case for iPad (A16) 11th/10th Generation 11/10.9''
My tendency to knock over anything at least two inches high is a remarkable skill I’d rather not have but as long as I can claim said skill, I’m eternally grateful for this case for my iPad. Not only is it the only protective device that’s accomplished its intended use, it features a stand that is adjustable with ease to view your screen from any direction you prefer and can still access volume and off/on button. The leather strap to handle it with one hand also is a perfect solution to a typical problem. I’m accustomed to a cracked screen on iPhones and tablets or iPads but this iPad is the first I’ve ever had to go over six months and survive.
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Reviewed in the United States on May 26, 2026

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