K25 RK-31849 Neck Knife Titanium Naked, Titanium 7Cr17Mov
- RK-32849 Titanium Neck Knife - an ultralight neck knife from K25 with a titanium coated 7Cr17MoV steel blade, skeletonized design and finger ring. Includes Kydex sheath with chain.

This product is intended for use only by adults with knowledge and experience in handling sharp cutting tools. Improper use of the knife can result in serious injuries. The blade is extremely sharp and can easily cut through skin and tissue; therefore, extra caution should always be exercised while cutting, and hands should be kept away from the cutting edge. To prevent the knife from slipping, it is recommended to cut on a stable, non-slip surface and avoid excessive force, which may cause uncontrolled blade movement.
Leaving the knife on the edge of a table, countertop, or in easily accessible places—especially where children are present—poses a significant safety risk. The knife should always be properly secured after use, ideally by placing it on a stable surface or storing it in designated knife blocks, protective sheaths, or magnetic strips. The knife should never be used for tasks it is not designed for, such as opening cans or prying objects, as this can damage the tool and lead to dangerous accidents.
A dull blade increases the risk of injury, as it requires more force and is more likely to slip from the material being cut. Therefore, it is essential to sharpen the knife regularly to maintain optimal sharpness. Additionally, proper cleaning and drying of the knife are necessary to prevent corrosion and bacterial growth. Periodic inspection of the handle and blade is recommended to check for cracks, chips, or looseness. If any damage is detected, the knife should be repaired or replaced immediately.
When using the knife, focus solely on the task at hand—avoid talking on the phone, watching television, or other distractions while cutting. Ensure proper lighting in the workspace for better visibility and control. Please note that some countries or regions have laws restricting the ownership and carrying of knives. Before purchasing or using this knife, verify that its use is legal in your location according to applicable regulations.
Following these safety guidelines will help ensure safe and effective knife use, minimizing the risk of accidents and extending the lifespan of the tool.
RK-32849 Titanium Neck Knife is an ultra-compact neck knife, designed by the K25 brand for users who want instant access to the tool in tactical, emergency and everyday situations. Made entirely of 7Cr17MoV stainless steel, it offers durability, corrosion resistance and easy maintenance even under heavy use. Titanium surface coating eliminates light reflections and protects the blade from abrasion, making this model an excellent tool for discreet operations. Blade with geometric profile, similar to Wharncliffe with features of karambit, allows precise edge handling in a confined space. The lightweight, skeletonized Handle is equipped with a finger ring, which increases control over the knife and improves grip security, even with gloves. The whole is complemented by a Kydex plastic sheath with a neck chain, guaranteeing quick access and safe carrying. The 32849 is a functional tool for those looking for a reliable, tactical accessory with a minimalist yet thoughtful design.
7Cr17MoV is a martensitic chromium steel, often referred to as an improved version of 440A steel. Its nominal chemical composition includes about 0.60-0.75% carbon (C) and 16.0-18.0% chromium (Cr), with additions of molybdenum (Mo) and vanadium (V) in smaller amounts. The higher chromium content provides very good corrosion resistance in typical environments. Carbon is responsible for hardness, which after appropriate heat treatment can reach about 56-58 HRC, which is sufficient for many applications. Molybdenum increases hardenability and improves resistance to pitting corrosion, while vanadium contributes to the formation of fine carbides, which increases abrasion resistance and allows the cutting edge to remain sharp longer. 7Cr17MoV steel is widely used in the mass production of kitchen knives, folding knives for everyday use (EDC), multi-tools and outdoor equipment, where a good combination of corrosion resistance, acceptable hardness and ease of sharpening is crucial .
Blade - cut from a single piece of 7Cr17MoV steel, which ensures its high resistance to corrosion and easy sharpening in the field. It uses a Wharncliffe profile with a gently sloping ridgeline, which allows precise cutting and control of the blade tip - crucial in EDC and emergency applications. titanium coating gives the Blade a matte, tactical look and increases abrasion resistance. Appropriate geometry and balance make the tool fit well in the hand and provide effective performance with full control. The design devoid of a classic Handle promotes quick retrieval and versatile use.
Handle - skeletonized handle is an integral part of the full tang design , which increases the rigidity of the entire tool and reduces its weight. A large finger ring allows instant grip and stable operation of the knife, even with tactical gloves. Numerous holes in the body allow optional braiding with paracord, which increases comfort of use and personalization of the grip. The entire blade has been slightly rounded on the edges, which improves the comfort of carrying against the body. It comes with a molded Kydex she ath with a ball chain, allowing you to carry the tool comfortably and discreetly around your neck. This model is the essence of functionality and minimalism, ideal for users who want quick response, precision and compact form in their daily equipment.
Technical data:
Product number: 32849
Name: Titanium Neck Knife
Overall length: 125.0 mm / 4.92"
Blade length: 39.0 mm / 1.54"
Blade thickness: 3.9 mm / 0.15"
Handle length: 86.0 mm / 3.39"
Handle thickness: n.d.
Weight: 40.0 g / 1.41 oz
Blade material: 7Cr17MoV
Blade hardness: n.d.
Blade grind: Flat
Blade finish: Titanium coating
Handle material: 7Cr17MoV
Handle finish color/finish color: Titanium coating
Sheath (holster): Kydex
Additional accessories: Ball chain
Designer: Martinez Albainox
Brand name: K25
Manufacturer: Martinez Albainox S.L.U., Spain
Country of origin: Spain
Developed by: the Sharg® company