SKU: 72858637433

Otsuka Hamono Aogami #1 Kurouchi 160mm Bunka

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Description

Otsuka Hamono Aogami #1 Kurouchi 160mm BunkaFrom the secluded mountain forge of master Otsuka Yoshifumi comes this exceptional Bunka, a knife bearing the 'Tokusei' (Specially Made) mark of distinction. Forged in a traditional coke fire, its core of high carbon Aogami #1 steel is revered for legendary sharpness and edge retention. The blades profile is a marvel of performance, featuring a dramatic spine taper from a powerful widened thickness of 6. 6mm than drastically tapered to a nimble tip.

From the secluded mountain forge of master Otsuka Yoshifumi comes this exceptional Bunka, a knife bearing the 'Tokusei' (Specially Made) mark of distinction. Forged in a traditional coke fire, its core of high-carbon Aogami #1 steel is revered for legendary sharpness and edge retention. The blade’s profile is a marvel of performance, featuring a dramatic spine taper from a powerful widened thickness of 6.6mm than drastically tapered to a nimble tip. This unique geometry provides a perfect weight balance of strength for robust cuts and precision for delicate work, all housed within the rustic beauty of the Kurouchi forged finish. Paired with a premium octagonal Wenge and buffalo horn handle.

Spec:

  • Origin (Made in): Chizu, Tottori Prefecture, Japan
  • Brand: Otsuka Hamono
  • Knife Type: Bunka
  • Blade
    • Construction: Sanmai
    • Grind: Double-edged Blade (50/50 Grind)
    • Hagane (Core Steel): Aogami #1 (Blue #1)
    • Jigane (Cladding): Soft Iron
    • Hardness: 61-63 HRC
    • Hand-forged, hand-ground, hand-sharpened
  • Blade Finishes:
    • Kurouchi
  • Blade Length (heel-to-tip): 160mm (6.3")
  • Blade Height (at heel): 48mm
  • Spine Thickness
    • Above heel: 6.6mm 
    • Middle: 1.8mm 
  • Handle
    • Shape: Hachikaku (Octagonal)
    • Material: Wenge
    • Kuchiwa / Tsukajiri: Black Buffalo Horn
    • Length: 129mm 
  • Overall Length: 300mm 
  • Weight: 156g (5.5oz) 
  • Stamped Mark (Back): Brand mark and in Japanese Kanji "Specially made" (特製)

About Otsuka Hamono 大塚刃物

From his secluded forge in the mountains of Chizu, Tottori, third-generation blacksmith Otsuka Yoshifumi represents a legacy reborn through sheer will. Largely self-taught after his father’s untimely passing, he works alone, embracing a solitary dedication to his craft. Using a traditional coke forge to preserve the steel’s integrity, he masterfully transforms Aogami #1 and exceptionally rare tatara steel into fully bespoke blades. Each creation is a direct dialogue with its future owner, resulting in tools of sublime sharpness and durability. The year-long waitlist underscores the deep allure of his uncompromising, personal artistry.

Care:

Aogami #1 (Blue #1) steel is a premium Japanese high carbon steel for knife making. Despite some corrosion resistant quality (for a carbon steel), it is not stainless, therefore you should wipe your knife dry after each use. Patina will develop over time. Rust may develop if left in prolonged contact with water or acidic food. Use a rust eraser to clean if rusts develop. Avoid cutting into bones, frozen foods, hard fruit pits.

Cutting Surface:

Recommended cutting surface: wood, rubberized boards and high-end composites, and quality plastics such as polyethene make acceptable cutting surfaces, and will help protect and prolong knife’s edge. AVOID glass, metal, countertops, and other rigid, non-forgiving surfaces.

Sharpening:

We recommend sharpening all quality Japanese knives on whetstones, as we believe they yield the best results for your knives.

 

 

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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  • If time is of the essence, please consider selecting expedited delivery for faster service.
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: 72858637433

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Jane Ashley
Lowell, US
★★★★★ 5
Easy install
Color: Brown, Number Of Shelves: 2, Size: 24"W x 6.5"D
Nice looking shelves, easy to install and less expensive than similar shelving at the big box stores.
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Reviewed in the United States on May 27, 2026
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tthas99
Cuba, US
★★★★★ 4
“Brown” floating shelves
Color: Brown, Number Of Shelves: 2, Size: 60"W x 6.5"D, Color: Brown, Number Of Shelves: 2, Size: 60"W x 6.5"D
These shelves are great, easy to install. My only complaint is the color is not quite what I expected. I ordered “brown” and they look a little more “walnut”.
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Reviewed in the United States on May 31, 2026
S
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Sandy
Whiting, US
★★★★★ 5
Perfect shelves
Color: Brown, Number Of Shelves: 2, Size: 36"W x 6.5"D, Color: Brown, Number Of Shelves: 2, Size: 36"W x 6.5"D
Beautiful shelves and easy to put up with the rod underneath. Love the color.
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Reviewed in the United States on March 18, 2026
M
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Megan Cusack
Dallas, US
★★★★★ 5
Love these floating shelves!
Color: Oak, Number Of Shelves: 2, Size: 36"W x 6.5"D
These shelves are perfect for my kitchen! They were easy to install. All the hardware was included. They are durable and sturdy and gave my kitchen wall an instant face lift!
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Reviewed in the United States on April 14, 2026
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A. Tucker
Phoenix, US
★★★★★ 3
Holes in brackets are not spaced for studs!
Color: White, Number Of Shelves: 2, Size: 67"W x 6.5"D
So the quality of this not great, but good enough and they look nice enough on the wall. However, the bracket holes are not spaced at 16" intervals. WTF? I'm not sure who designed this thing. The molly plugs that came with it look OK, but to play it safe I used a cobalt steel drill bit and made my own holes in the bracket. Easy enough with some wd40. My other pick with this is that the screws to anchor the shelf to the bracket are black and and very obvious... they should have supplied some kind of cap.
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Reviewed in the United States on January 31, 2026

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