CIVIVI Knives Biophase Button Lock

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The Biophase is lightweight yet robust with an ergonomic design and impressive build quality.
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CIVIVI Knives Biophase Button Lock Flipper Knife 3.48" Nitro-V Satin Clip Point Blade, Skeleton…Retail price: $94.00, our price: $79.90
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CIVIVI Knives Biophase Button Lock Flipper Knife 3.48" Nitro-V Satin Clip Point Blade, Skeleton…Retail price: $105.00, our price: $89.25
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CIVIVI Knives Biophase Button Lock Flipper Knife 3.48" Nitro-V Black Stonewashed Clip Point Bla…Retail price: $94.00, our price: $79.90
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CIVIVI Knives Biophase Button Lock Flipper Knife 3.48" Damascus Clip Point Blade, Skeletonized …Retail price: $127.00, our price: $107.95
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CIVIVI Knives Biophase Button Lock Flipper Knife 3.48" Nitro-V Black Stonewashed Two-Tone Clip …Retail price: $94.00, our price: $79.90
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CIVIVI Knives Biophase Button Lock Flipper Knife 3.48" Damascus Clip Point Blade, Skeletonized …Retail price: $117.60, our price: $99.96
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CIVIVI Biophase FAQ

The CIVIVI Biophase is a visually striking series featuring stylized clip point blades and unique multi-layered handle construction. These knives prioritize efficient cutting geometry with a hollow grind that remains thin behind the edge.

What blade steel is used for the CIVIVI Biophase?
Most models in the Biophase series utilize Nitro-V stainless steel, known for its toughness and corrosion resistance. Select premium variants are available with Damascus steel blades for a more ornamental look.
How is the Biophase handle constructed?
The series offers two primary handle styles: solid skeletonized aluminum or a layered design featuring aluminum with G10 or carbon fiber overlays. This two-piece construction creates a distinctive look while keeping the overall weight manageable for daily carry.
What type of locking mechanism does the Biophase use?
The Biophase series features a button lock mechanism combined with a flipper tab for deployment. This setup allows for quick, one-handed opening and safe closing without placing your fingers in the path of the blade.
Is the Biophase suitable for hard-use tasks?
While the build quality is robust, the Biophase is designed more as a high-style EDC tool with excellent cutting geometry than a dedicated heavy-duty work knife. Its thin hollow grind excels at slicing tasks, making it a functional choice for everyday needs.
How does the Biophase compare to other CIVIVI models?
The Biophase is a design-forward series that offers more complex handle layering and stylized blade shapes than many entry-level options. You can see how it compares to other top-rated designs in our guide to the best CIVIVI knives.