🔪 Spyderco Mantra 4 Black Oxide 3.34" Plain Edge Folding Pocket Knife (C274GBBKP): Sleek, Slim, and Smooth 🔪
The Spyderco Mantra 4 Black Oxide 3.34" Plain Edge Folding Pocket Knife (C274GBBKP) continues the evolution of Spyderco’s popular Mantra series with a refined fourth-generation design. Built for users who appreciate a slim profile, smooth action, and modern everyday carry styling, the Mantra 4 combines a sleek blacked-out look with practical cutting performance and Spyderco’s signature attention to detail. 🔥
With its front-flipper opening system, full-flat-ground blade, ball bearing washers, G-10 handle scales, reversible deep-pocket wire clip, and lightweight construction, the Mantra 4 is designed to be easy to carry, fast to deploy, and dependable for daily use.
One of the standout features of the Mantra 4 is its exceptionally refined front-flipper opener. In the closed position, a small portion of the blade’s tang stands slightly above the spine of the handle. With a simple stroke of the index finger against the textured surface, the blade deploys quickly and reliably into the open position. ⚙️
This opening method gives the knife a clean, minimalist appearance while still offering fast and satisfying one-handed operation. The action is further enhanced by ball bearing washers, helping the blade move smoothly and consistently. For users who enjoy a refined deployment feel, the Mantra 4 delivers a responsive and modern opening experience.
Spyderco also includes its fully functional Trademark Round Hole, giving users another familiar opening option. This combination of a front flipper and Spyderco’s Round Hole adds versatility while maintaining the knife’s streamlined profile.
The blade measures 3.34 inches and is made from 8Cr13MoV stainless steel, a practical blade steel known for dependable everyday performance, corrosion resistance, and ease of maintenance. The Plain Edge blade is well suited for clean slicing, utility cutting, and general everyday tasks. 🔪
The blade also features a full-flat grind, which helps reduce cutting resistance and improves slicing efficiency. This grind style is one of Spyderco’s most appreciated blade geometries because it allows the blade to perform well across a wide range of cutting tasks, from opening packages to food prep, light outdoor use, and daily utility work.
The black oxide finish gives the Mantra 4 a bold and tactical appearance while complementing the slim handle design. It creates a clean, modern look that fits well with the knife’s lightweight and minimalist personality. 🖤
The handle is made from G-10, a durable and lightweight material valued for its strength, grip, and resistance to everyday wear. G-10 provides a secure feel in hand without adding unnecessary bulk, making it an excellent match for the slim Mantra 4 platform.
Inside the handle, a single stainless steel liner is nested into the reverse-side scale. This liner forms the foundation of the knife’s sturdy LinerLock mechanism, helping keep the blade securely open during use while preserving the knife’s thin and lightweight build. This design approach gives the Mantra 4 strength where it matters without making it feel heavy in the pocket.
At only 1.9 ounces, the Mantra 4 is impressively lightweight for a folding knife with a 3.34-inch blade. This makes it a strong choice for everyday carry, especially for users who want a capable blade without carrying extra weight. It is slim, comfortable, and easy to carry throughout the day.
The knife includes a reversible deep-pocket wire clip, allowing for left- or right-side tip-up carry. The deep-pocket clip helps keep the knife discreet in the pocket while still allowing quick access when needed. A built-in lanyard hole also gives users the option to attach a lanyard or fob for additional carry customization. 📎
Here are the specifications for the Spyderco Mantra 4 Black Oxide 3.34" Plain Edge Folding Pocket Knife (C274GBBKP):
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Overall Length: 7.5in / 190.5mm
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Closed Length: 4.27in / 108.458mm
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Blade Length: 3.34in / 84.836mm
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Edge Length: 3.15in / 80.01mm
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Blade Thickness: .089in / 2.2mm
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Steel: 8Cr13MoV
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Grind: Full-Flat
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Handle Material: G-10
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Lock Type: LinerLock
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Tip Carry Position: Tip-Up
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Clip Position: Ambi
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Weight: 1.9oz / 54g
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Origin: China
The Spyderco Mantra 4 Black Oxide is a great choice for users who want:
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A sleek and lightweight everyday carry knife
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A refined front-flipper opening system
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Spyderco’s functional Trademark Round Hole
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Smooth action with ball bearing washers
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A practical 3.34" Plain Edge blade
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Full-flat-ground cutting performance
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Durable G-10 handle scales
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Secure LinerLock construction
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Reversible deep-pocket wire clip
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Left- or right-side tip-up carry
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A built-in lanyard hole for customization
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A slim modern design with black oxide styling 🖤
What makes the Mantra 4 especially appealing is how it blends modern opening mechanics with Spyderco’s practical everyday carry DNA. The front flipper gives the knife a sleek, contemporary feel, while the Trademark Round Hole keeps it familiar for longtime Spyderco fans. The result is a folding knife that feels refined, lightweight, and highly usable.
For everyday carry, the Mantra 4 offers a strong balance of size, weight, and cutting performance. The 3.34-inch blade provides plenty of usable edge, while the slim G-10 handle and lightweight construction make it easy to carry daily. Whether used for routine cutting tasks, carried as part of an EDC setup, or added to a Spyderco collection, the Mantra 4 stands out as a clean and capable folding knife.
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If you are looking for a slim, stylish folding knife with smooth front-flipper action, full-flat-ground performance, lightweight G-10 construction, and unmistakable Spyderco design, the Spyderco Mantra 4 Black Oxide 3.34" Plain Edge Folding Pocket Knife (C274GBBKP) is an excellent everyday carry option. 🔪
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🚘Curbside pickup is available at 780 Dedham St, Unit 500, Canton, MA, 02021
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