Kubey KB Knife Prism T/E Flame Titanium, Beadblasted M390 by Yuze Zhong (KB243E)
- Prism T/E Flame Titanium, Beadblasted, a slim gentleman's folder designed by Yuze Zhong. Narrow blade made of vacuum-hardened and ice-hardened Böhler M390 steel. Straight titanium handle fits any hand. Intuitive and secure button lock. Thumb disc opening.
131,48 €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.
Prism T/E Flame Titanium, Beadblasted is a discreet everyday carry folder. Designed by Yuze Zhong, it combines minimalist aesthetics with the highest quality craftsmanship. The slender-profile blade is made from Böhler M390 steel—considered one of the best knife steels—vacuum-hardened and subjected to a cryogenic stabilization process. This gives the blade exceptional wear resistance and long-lasting edge retention. The titanium handle, heat-treated for color, ensures a secure grip in any situation. Its ergonomic shape fits harmoniously in the hand, allowing for full control over the blade. The button lock mechanism operates smoothly, guaranteeing quick and reliable blade locking. Prism is a balanced combination of aesthetics and functionality—a reliable tool that impresses with both precision craftsmanship and subtle elegance.
Kubey Knife is a knife company whose motto is “An Edge Above the Rest”. It produces top-quality knives at an affordable price in a wide range of materials, featuring excellent fit and finish, as well as super-smooth operation. Kubey Knife offers the best knife tools available on the market, guaranteeing exceptional value for money. These knives will serve you for many years!
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 retains its edge shape well, allowing the blade to stay sharp for a very long time (requires minimal maintenance). Another advantage is its resistance to “wire” formation during sharpening. Steel with a high chromium content of 20.0% (Cr), alloyed with 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.
Blade - slender, Tanto Edge style, finished with a Beadblasted finish that masks minor scratches caused by use. The blade thickness, combined with a high, flat grind, provides excellent cutting edge geometry and extreme cutting performance. Ceramic ball bearings ensure smooth and seamless operation of the mechanism and assist in opening the blade using the disc on the blade. The locking mechanism is an intuitive and reliable Button Lock.
Handle - grips made of heat-treated 6AL4V titanium, a material that is extremely mechanically durable and virtually completely resistant to weather conditions and chemicals. The entire assembly is bolted to a solid backspacer, also made of 6AL4V titanium. The simple, solid construction ensures many years of reliable use. The fore finger groove improves grip and creates a mini-Guard, preventing the hand from slipping onto the blade. A two-position (right/left) titanium deep carry clip allows you to carry the knife discreetly in your pocket in the tip-up position (blade tip facing up).
Technical data:
Product number: KB243E
Product name: KB Prism T/E Flame Titanium, Beadblasted
Overall length: 210.0 mm / 8.27“
Blade length: 90.0 mm / 3.54”
Blade thickness: 3.0 mm / 0.12"
Handle length: 120.0 mm / 4.73“
Handle thickness: 10.0 mm / 0.39”
Weight: 58.0 g / 2.05 oz
Blade material: Böhler M390
Blade hardness: 60-62 HRC
Blade grind: Flat
Blade finish: Beadblasted
Handle material: 6AL4V titanium
Handle finish color: Flame colored
Backspacer material: 6AL4V titanium
Backspacer color: Flame colored
Clip: Right / Left, Tip-Up
Clip material: Titanium
Pivot mechanism: Caged Ceramic Ball Bearing
Lock: Liner Lock
Opening method: Manual, thumb disc
Additional accessories: N/A
Designer: Yuze Zhong
Brand: KB Knives
Manufacturer: Kubey Knife
Country of origin: P.R.C.
Prepared by: Sharg® company
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