
Honshu Boshin Seax Knife - D2 Steel
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- PREMIUM D2 TOOL STEEL: Full-tang 19 3/8” blade offers superior edge retention and durability.
- TACTICAL-READY DESIGN: Weight-reducing thru-holes and a fuller enhance balance and maneuverability.
- SECURE, NON-SLIP GRIP: Textured TPR handle with ergonomic contours ensures control in all conditions.
- RUGGED CARRY OPTION: Includes a reinforced genuine leather belt sheath with a paracord lanyard for secure transport.
- BLEND OF TRADITION & MODERNITY: A powerful reimagining of the classic seax, built for tactical and outdoor use.
- PREMIUM D2 TOOL STEEL: Full-tang 19 3/8” blade offers superior edge retention and durability.
- TACTICAL-READY DESIGN: Weight-reducing thru-holes and a fuller enhance balance and maneuverability.
- SECURE, NON-SLIP GRIP: Textured TPR handle with ergonomic contours ensures control in all conditions.
- RUGGED CARRY OPTION: Includes a reinforced genuine leather belt sheath with a paracord lanyard for secure transport.
- BLEND OF TRADITION & MODERNITY: A powerful reimagining of the classic seax, built for tactical and outdoor use.
Honshu Boshin D2 Seax Knife
The Honshu D2 Seax Knife is a masterful fusion of tradition and modern innovation, delivering an edge that meets the demands of tactical and survival applications. Measuring 25 3/4" overall with a full-tang 19 3/8" D2 tool steel blade, it's a must-have for collectors, outdoor adventurers, and tactical users alike.
Built for Power & Precision
A powerful reimagining of the classic seax, blending time-honored blade design with cutting-edge D2 tool steel and modern ergonomics for unmatched tactical performance.

Premium D2 Tool Steel
- Full-tang 19 3/8" blade for superior strength and durability
- D2 tool steel delivers outstanding edge retention
- Built for demanding tactical and survival applications

Tactical-Ready Design
- Weight-reducing thru-holes enhance balance and maneuverability
- Fuller along the blade reduces weight without sacrificing strength
- 25 3/4" overall length built for power and precision cutting

Secure Non-Slip TPR Grip
- Textured TPR handle with ergonomic contours for all-condition control
- Secured with heavy-duty screws for lasting handle integrity
- Non-slip grip ensures confidence in any environment
Leather Belt Sheath Included
Includes a premium reinforced genuine leather belt sheath with a paracord lanyard, offering safe and convenient carry for outdoor adventurers and tactical users.
Overall rating: 5.0 / 5 from 2 reviews.
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Reviews
Sweet
"The point is the real deal and very sharp. Only thing is getting it back into the sheath. But love it if I had waited I could have gotten the discount"
Honshu D2 Seax is awesome!
"I must say an edge as keen and point as fine as those on the Honshu D2 Seax is a bit intimidating. Anyone who is not practiced in using large, sharp blades should take extra care lest they lose an ear. I cannot find even one small flaw in either the seax or scabbard. I will definitely be getting more of the United Cutlery's Honshu line as they become available in D2 tool steel. The D2 Gladius is already available and I plan to order it next week. The collar on the sheath is difficult to snap around the seax's handle. It was an easy fix to rub in a little oil and work it in for a few minutes to soften it. I left it snapped close around the handle for a few days. Now, it snaps closed easily and snugly. The oil is very thin and evaporates and dries quickly, so no slick handle. I simply adore the Honshu D2 Tool Steel Seax and Scabbard."