SKU: 54760460830

Mizuno Tanrenjo / Minamoto Akitada "Hontanren" Aogami #2 Kama-Usuba

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Description

Mizuno Tanrenjo / Minamoto Akitada "Hontanren" Aogami #2 Kama-UsubaWe are pleased to offer this knife with a marble blonde buffalo horn handle. Marble blonde buffalo horn handles from Mizuno Tanrenjo are increasingly difficult to obtain, and we are really pleased with the beautiful marble blonde buffalo horn on this knife. Photos shown are of the actual knife. This is an Kama Usuba knife from Mizuno Tanrenjo's "Akitada Hontanren" range a relatively more affordable line compared to their Honyaki range. Hand forged by

We are pleased to offer this knife with a marble blonde buffalo horn handle. Marble blonde buffalo horn handles from Mizuno Tanrenjo are increasingly difficult to obtain, and we are really pleased with the beautiful marble blonde buffalo horn on this knife. Photos shown are of the actual knife.

This is an Kama-Usuba knife from Mizuno Tanrenjo's "Akitada Hontanren" range - a relatively more affordable line compared to their Honyaki range. Hand-forged by 5th generation Mizuno master blacksmith Jun Mizuno, and sharpened by extremely experienced sharpener Tsutomu Minamiura, this usuba knife has superb grinds that are exceedingly smooth, with kasumi finishes and excellent polish. The Aogami blade benefits from Mizuno's outstanding heat treatment skills, ensuring superior edge retention. With the hardness of the steel, the sharpener was able to create an exceedingly thin edge, ensuring outstanding cutting performance. Mizuno has paired this blade with a magnolia handle featuring a beautiful white/blonde buffalo horn kuchiwa. 

Spec:

  • Origin (Made in): Sakai, Osaka Prefecture, Japan
  • Brand: Minamoto Akitada Hontanren 源昭忠 本鍛練
  • Workshop: Mizuno Tanrenjo
  • Craftsman: Jun Mizuno 水野 淳
  • Sharpener: Tsutomu Minamiura 南浦 力
  • Knife Type: Kama-Usuba
  • Blade
    • Construction: Awase (Kasumi)
    • Grind: Single Bevel (Right-handed)
    • Hagane (Core Steel): Aogami #2 (Blue #2)
    • Jigane (Cladding): Soft Iron
    • Hardness: 62-63 HRC
    • Hand-forged, hand-grinded, hand-sharpened
  • Blade Finishes: Kasumi Polish
  • Blade Length: 165mm (6.5") / 180mm (7.1") / 195mm (7.7")
  • Blade Height (at heel): 42mm / 45mm / 49mm
  • Spine Thickness
    • Above heel: 3.2mm / 4.1mm / 4.4mm
    • Middle: 2.6mm / 3.4mm / 3.5mm
  • Handle
    • Premium Custom Handle
    • Shape: Marushinogi (D-shaped)
    • Material: Japanese Magnolia (Ho Wood)
    • Kuchiwa: Marbled Blonde Buffalo Horn
    • Length: 128mm / 134mm / 135mm
  • Overall Length: 297mm / 320mm / 335mm
  • Weight: 125g (4.41oz) / 183g (6.46oz) / 220g (7.76oz)
  • Engraved Mark: In Japanese Kanji "Trademark Minamoto Akitada Blue Steel" (登録商標  源昭忠 青鋼) or "Trademark Minamoto Akitada Hand-forged Blue Steel" (登録商標 本鍛錬 源昭忠 青鋼)

About Mizuno Tanrenjo 水野鍛錬所 / Minamoto Akitada 源昭忠

Established in 1872, the Mizuno Tanrenjo workshop is one of the most prestigious blacksmith workshops in Japan. Five generations of Mizuno blacksmiths have worked on projects of cultural significance and won accolades for their craftsmanship. The works of 2nd generation blacksmith Masanori Mizuno still hangs on top of the pagoda at Japan's first UNESCO site, and the 3rd generation Akiharu Mizuno - a portage of Japan's national treasure blacksmith Teiichi Tsukiyama - has won a prestigious award for his honyaki yanagiba. The Mizuno family workshop has received two royal visits by Prince Mikasa of Japan, who is personally a fan of their craftsmanship. Today Mizuno Tanrenjo is led by 5th generation master blacksmith - Jun Mizuno (a.k.a. Noritada Mizuno) whose superior craftsmanship and extraordinary honyaki works have been recognized by two of Japan’s top Ichinomiyas (shrines) which have commissioned his katanas to become the shrines’ permanent collections.

Care:

Aogami #2 (Blue #2) 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:
  1. Standard Shipping : 3-10 business days
  • 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: 54760460830

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Carlos h
Alexandria, US
★★★★★ 5
Good deal. Pretty durable
Size: Large
Dog loves it! Not as crinkly, but still enjoyed even if smashed a bit.
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Reviewed in the United States on February 22, 2026
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JoanieV.
Louisville, US
★★★★★ 3
Great ball but easily broken
Size: Large
I got this ball for my two dogs, one is a 90 pound yellow lab mix and the other 45 pound black lab mix. So far only my bigger dog has played with it and has also busted it. He was playing with it for probably half an hour just chomping down to make it crinkle and crunch. It's quite the loud ball!! I noticed the sound wasn't as loud so I took a peek and noticed my dog basically crushed the inner ball into a much smaller ball. He's still having a good time with it though. It's only a matter of time though that he's going to chew the outer shell because it doesn't make noise like it did.
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Reviewed in the United States on December 31, 2024
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Mari Sned
Boise, US
★★★★★ 5
Dogs go for this ball every time
Size: Large, Size: Large
My Boston's and Rotti love this ball. I had to get two more. It's great for the Boston's because they can grasp it with the way it's made with the softer rubber. They love the crackle sound. It's just the right size and weight for smaller like the Boston Terrier and Rotti. Easy cleaning, rinses right off.
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Reviewed in the United States on May 13, 2026
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buckzmom
San Leandro, US
★★★★★ 5
It's a Hit a Our House!
Size: Large
My strong chewer is still ..... Well, going strong! He loves his new crackle ball. He enjoys the new sound, the bounce back feeling in his jaws when chews. Mom is happy that pup hasn't put a dent in the toy yet! Price was more than reasonable too. We give it 5 Paws Up!
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Reviewed in the United States on May 25, 2026
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Lisa
Chelsea, US
★★★★★ 4
Medium size preferred.
Size: Large
I purchased both the large 4" and the medium 3" balls. My 80 lbs German shepherd much prefers the medium size. Show loves to play fetch with it and its lasted well!
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Reviewed in the United States on May 10, 2026

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