Blade steel: X12MF
The blade is made of X12MF steel, a high—carbon tool steel with the addition of molybdenum and vanadium, known for its outstanding wear resistance and hardness (61-62 HRC). This combination provides a sharp and thin cutting edge, allowing you to keep sharpening for a long time even when frequently working with dense and fibrous products. Steel is resistant to mechanical stress and abrasion, but like most tool steels, it requires careful handling in terms of corrosion protection — it is not stainless.
Handle material: Birch bark
The birch bark handle is a natural material with excellent tactility and the ability to stay warm in the hand even in cold weather. Birch bark provides a firm grip in both dry and wet conditions due to its slightly rough surface and ability to effectively absorb moisture. The color of the handle — noble yellow — emphasizes the natural aesthetics of the knife, making each piece unique.
Blade Shape: Fillet Blade
The narrow and flexible fillet blade is 170 mm long and only 1.6 mm thick, ideal for thinning fish, skinning and working with thin cuts of meat. This shape allows you to make precise and delicate cuts, bypassing the bones and repeating the contours of the product. The blade width of 25 mm is optimal for handling and control during sliding movements.
Structural details
The handle length is 125 mm: the ergonomic shape fits comfortably in the palm of your hand, reducing fatigue even during prolonged work.
Lock type: Liner-lock — ensures safe use of the knife and prevents accidental folding of the blade.
Genuine leather scabbard: stylish and durable, it allows you to securely transport the knife and protects both the blade and surrounding objects from accidental damage.
Main usage scenarios
Fishing and butchering:It is ideal for fine thinning, skinning, fillet separation and working with bones of medium and small thickness.
Cooking (home and professional):It is indispensable for processing meat, fish and poultry, for any fine and precise cutting.
Tourism and outdoor activities: convenient for outdoor cooking due to its lightness and excellent handling.
Collector's value: The natural handle and handwork make each knife a unique piece of handwork.
Advantages and limitations
Advantages:
High wear resistance and long-lasting sharpness due to X12MF steel.
Flexible narrow blade for thinning without damaging the fibers of the product.
The handle made of natural birch bark provides a firm grip even in wet hands, a pleasant texture, and the warmth of wood.
Secure Liner-lock for folding models, convenient opening and locking.
Stylish and practical genuine leather scabbard.
Restrictions:
Steel requires regular maintenance and protection from moisture — X12MF is not stainless, corrosion may occur when stored in a humid environment.
It is not suitable for power work, chopping bones, opening canned food and chopping hard objects — the thin blade is designed specifically for delicate operations.
Birch bark, as a natural material, needs periodic oil impregnation to maintain elasticity and appearance.
Care recommendations
After use, wash the blade, dry it thoroughly and apply a thin layer of neutral oil to protect against corrosion.
Avoid prolonged contact with water and store the knife only in dry conditions.
The handle should be periodically treated with special oils for wood or birch bark to avoid drying out.
For sharpening, use stones of medium and high grain — steel X12MF is perfectly sharpened, holds the edge well, but requires care.
Conclusion and selection recommendations
This knife will become an indispensable assistant for a fisherman, hunter, cook or a connoisseur of handmade work, who values the cleanliness of working with meat and fish, as well as aesthetics and comfort during prolonged use. We do not recommend it for universal or power applications where rough work is required — this knife is designed for delicate tasks and careful handling. The Kasatka fillet knife made of X12MF steel with a birch bark handle is the choice for those who appreciate the combination of handmade traditions, reliability and natural beauty, and are also ready to pay due attention to tool care.
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