Kubey KB Knife Vagrant Black Titanium, Black DLC M390 by Maksim Tkachuk (KB284L)

Vagrant Black Titanium, Black DLC—a high-end EDC folding knife designed by Maksim Tkachuk. Every detail has been refined with the utmost precision, combining aesthetics with reliability. The blade, crafted from high-quality CPM S35VN steel, features excellent wear resistance and impressively long-lasting sharpness. The titanium handle, diamond-milled, ensures unmatched durability and lightness. The sandblasted surface provides a subtle, matte texture, enhancing grip confidence. The ergonomic contouring adapts to the hand, ensuring comfort even during extended use. The opening mechanism, based on ball bearings and a hole in the blade, allows for instant deployment of the blade. The frame lock guarantees maximum safety and stability during use. The Vagrant is a reliable companion for everyday challenges. Sophisticated, sturdy, yet subtly elegant.

Maksim Tkachuk—graphic artist and industrial designer, one of Ukraine’s most recognizable knife makers. He uses his experience and skills to create functional and aesthetically pleasing knives. In his work, Maksim follows the principle of “less is more.”

Kubey—one of the largest manufacturers producing top-quality knives at great prices! The company’s motto is “An Edge Above the Rest” / “An Edge Above the Rest.” Thanks to the use of high-speed CNC machine tools, milling machines, laser cutting, and custom hand finishing, the brand focuses on quality craftsmanship and an innovative approach to design.

M390 - a high-performance martensitic chromium steel produced using powder metallurgy. Due to its alloy composition, it features exceptionally high wear resistance and high corrosion resistance. Thanks to its high wear resistance, it effectively retains its edge shape, allowing the blade to stay sharp for a very long time (requiring minimal maintenance). Another advantage is its resistance to “wire” formation during sharpening. High-chromium steel 20.0% (Cr) with an alloying content of 1.9% carbon (C) and 4.0% vanadium (V), hardened to a hardness range of 59–61 HRC. This super steel is comparable to Carpenter’s CPM 20CV or CTS-204P steels. Manufactured by Böhler Edelstahl in Kapfenberg, Austria.

Vacuum & Cryogenic - M390 steel undergoes a specialized heat treatment process comprising two key stages. Vacuum Heat Treatment: the steel is hardened in a vacuum environment, which minimizes oxidation and ensures more uniform metal properties. This process increases the steel’s strength and structural integrity. Cryogenic Treatment: After heating, the steel is rapidly cooled to extremely low temperatures, often below -100°C (-148°F). This transformation converts residual austenite into martensite, significantly increasing hardness, wear resistance, and overall durability. Thanks to these advanced processes, M390 steel delivers exceptional performance, offering both razor-sharp edge retention and remarkable blade durability.

DLC (Diamond Like Carbon) enhances the blade’s surface durability with a black, matte nanocomposite coating that exhibits unique properties such as exceptional hardness and low friction, as well as excellent corrosion resistance. It is one of the most scratch- and wear-resistant coatings used in industry, including the knife industry.

Blade - sheepfoot type, coated with black DLC. The long, strong cutting edge tapers toward a needle-sharp tip. Blade thickness ensures high strength, while the high, flat grind and wide cutting edge guarantee excellent cutting performance. Ceramic ball bearings support the smooth operation of the blade opening mechanism, which can be activated via a thumb hole in the blade. On the blade spine, upper jimping provides a textured thumb rest. The entire knife is secured by a modern Frame Lock mechanism with a steel inlay to prevent wear on the lock face.

Handle - contoured 6AL4V titanium grips milled in a “diamond pattern”, also coated with black DLC. The assembly is bolted to a solid backspacer, also made of titanium. The simple, robust construction ensures many years of reliable use. The pivot pin is adorned with a titanium cap (Pivot Cap) in a contrasting color. Single-position (right-side) titanium deep carry clip allows you to carry the knife discreetly in your pocket in the tip-up position (blade tip facing up). The protruding section of the backspacer features a hole for threading a safety or decorative lanyard; it can also serve as an improvised glass breaker.

Technical Data:

Product Number: KB284L
Product Name: Vagrant Black Titanium, Black DLC M390

Overall Length: 185.0 mm / 7.28“
Blade Length: 80.0 mm / 3.15”
Blade thickness: 3.1 mm / 0.12“
Handle length: 105.0 mm / 4.13”
Handle thickness: 12.0 mm / 0.47"
Weight: 101.0 g / 3.56 oz

Blade material: Böhler M390
Blade hardness: 60-62 HRC
Blade grind: Flat
Blade finish: Black DLC coating

Handle material: 6AL4V Titanium
Handle finish color: Black DLC coating
Backspacer material: 6AL4V Titanium
Backspacer color: Black DLC coating

Clip: Right, Tip-Up
Clip material: 6AL4V Titanium

Pivot mechanism: Caged Ceramic Ball Bearing
Lock: Frame Lock
Opening method: Manual, thumb hole
Additional accessories: N/A

Designer: Maksim Tkachuk (Максим Ткачук)
Brand: KB Knives
Manufacturer: Kubey Knife
Country of origin: P.R.C.

Developed by: Sharg® company