
Boning KnivesMasamoto
Masamoto Honesuki Boning Knife
Whetstone scoreEditorial rating from spec, steel and build analysis. Not a customer rating.
The Masamoto Honesuki Boning Knife is a premium, purpose-built tool for serious cooks who process poultry and small cuts with precision.
- SteelShirogami #1
- Blade5.91 in
- Weight110 g (3.9 oz)
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The verdict
The Masamoto Honesuki Boning Knife is a premium, purpose-built tool for serious cooks who process poultry and small cuts with precision. Its traditional single-bevel edge and high-carbon steel deliver outstanding sharpness and control, though it demands proper care and a learning curve for Western-trained cooks. For those willing to invest in maintenance, it rewards with professional-grade performance that lasts generations.
Spec sheet
Specifications
Blade length
5.91in / 150 mm
Steel family
Carbon steels (Aogami, Shirogami)
Aogami (blue), Shirogami (white) and French XC90 carbon steels take the keenest edge of all and sharpen in minutes on a stone.
Upkeep
- Blade Length
- 150 mm (5.9 in)
- Blade Material
- High-carbon White Steel (Shiroko)
- Handle Material
- Magnolia wood with buffalo horn ferrule
- Edge Type
- Single-bevel
- Weight
- 110 g (3.9 oz)
- Category
- Boning Knives
- Maker
- Masamoto
Trade-offs
Pros & cons
What we like
- Exceptional edge retention due to high-carbon steel
- Precise control for deboning and breaking down poultry
- Lightweight, well-balanced handle reduces hand fatigue
- Thin profile allows close-to-bone trimming with minimal waste
- Authentic Japanese craftsmanship with long blade lifespan when maintained
What to know
- Single-bevel edge requires practice for left or right-hand orientation
- High-carbon steel demands diligent drying and oiling to prevent rust
- Not dishwasher safe and requires hand sharpening on whetstones
- Higher price point than Western-style boning knives
- Limited flexibility compared to flexible boning knife designs
Highlights
What stands out
- 01Single-bevel edge geometry traditional to honesuki design
- 02High-carbon Japanese steel blade (Shiroko/White Steel core)
- 03Triangular pointed tip for joint separation and precision cuts
- 04Traditional wa-handle made of magnolia wood with buffalo horn ferrule
- 05Hand-forged and hand-sharpened by Masamoto artisans in Japan
- 06Flat blade profile optimized for poultry and small game butchery
In depth
Full review
The Masamoto honesuki boning knife is a traditional Japanese single-bevel blade purpose-built for breaking down poultry, separating joints, and working close along bone with a precision that double-bevel Western boning knives simply cannot match. Forged by Masamoto, a name with deep roots in Tokyo's cutlery heritage dating back to the late 1800s, this knife carries the pedigree of artisans who have spent generations refining carbon steel blades for professional kitchens. The honesuki shape itself is distinctive: a triangular, slightly thick spine tapering to a rigid point, designed specifically for the push-cuts and twisting maneuvers needed to disjoint wings, legs, and thighs while hugging the contours of bone without flexing or wandering off line.
Crafted from high-carbon steel, the Masamoto honesuki takes and holds an exceptionally keen edge, allowing it to glide through sinew, cartilage, and tendon with minimal resistance. The single-bevel grind means only one side of the blade is sharpened at an acute angle, which creates a cutting geometry that practically pulls itself through meat while the flat back rides along bone as a guide. This design rewards a deft, controlled hand, and in the grip of a trained butcher or chef it becomes an extension of the wrist, capable of tight, accurate cuts that preserve yield and leave clean, unragged surfaces on the meat. The rigidity of the spine near the handle gives the user leverage to pop joints apart with a firm twist, while the fine tip allows for detailed trim work around small bones.
Beyond its cutting performance, the knife reflects traditional Japanese craftsmanship in its construction and finish, typically featuring a wa-handle made from magnolia or similar lightweight wood fitted with a water buffalo horn ferrule, balanced to keep the user's grip close to the blade for maximum control. Because the carbon steel is reactive, the knife requires attentive care including hand washing, immediate drying, and occasional oiling to prevent rust, a maintenance ritual that mirrors the respect given to the tool by those who rely on it daily. For professional butchers, poultry specialists, and serious home cooks who break down whole birds or work regularly with bone-in cuts, the Masamoto honesuki stands as a dedicated instrument that rewards skill and practice with unmatched precision and efficiency in the task it was built for.

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Masamoto Honesuki Boning Knife
Boning Knives · Shirogami #1 · score 9.4/10



