Böker Plus Cataclyst Flipjoint 440C 01BO675

The most interesting structural element of the Flipjoint system is the use of a spring-loaded Detent Ball, which holds the blade in the open position without a classic lock. Unlike common knives with a Liner Lock or Frame Lock, there is no rigid locking of the blade. When pressure is applied to its spine, the resistance of the ball mechanism is overcome and the blade can be simply folded. The flipper, meanwhile, allows for quick and convenient one-handed opening. This solution offers an interesting alternative to traditional Slipjoint type knives, which typically use a spring acting on the blade tang.

The blade made of 440C stainless steel offers a proven combination of corrosion resistance, good edge retention, and relatively easy sharpening. Thanks to a higher carbon content compared to basic stainless steels, it can achieve solid cutting properties when appropriately heat-treated. The flat grind supports smooth passage through material and universal use during common everyday activities. The satin finish gives the blade a decent appearance, while the double longitudinal grooves, referred to as fullers, lighten its construction and simultaneously create a characteristic design element.

The handle consists of black G10 composite material scales, which excel in strength, dimensional stability, and moisture resistance. Their surface undergoes three-dimensional CNC milling, creating a pleasantly shaped texture that supports a secure grip. On the inner side of the scales, there are lightening pockets that help reduce the overall weight without significantly limiting structural rigidity. Anti-slip texturing in the thumb rest area and rear spacer contributes to better control during more precise cutting motions.

Böker Plus Cataclyst Flipjoint is complemented by a deep-carry pocket clip, which allows for discrete knife carry in the pocket. The clip, oriented for the right side in a Tip-Up position, leaves most of the handle hidden below the pocket edge. There is also a hole for a lanyard or decorative pendant. The combination of the satin blade, black G10, and minimalist lines creates an inconspicuous but technically interesting whole. Cataclyst Flipjoint will thus appeal not only to fans of the Böker brand but also to users looking for a high-quality EDC knife with a flipper, unconventional ball blade retention, and an elegant appearance for everyday use.

Blade length: 7.5 cm
Overall length: 17.3 cm
Steel: 440C
Blade thickness: 4 mm
Lock:
Handle:  G10
Weight: 77 g