Petrified Fish PFP13 Viper Folders

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The Petrified Fish Viper is a rugged and reliable folding knife designed to handle both everyday carry and demanding tasks with ease. Featuring a 3.5" K110 (D2) tool steel blade, the Viper boasts impressive edge retention and toughness, making it a well-suited pocket knife for heavy-duty cutting applications.
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Petrified Fish PFP13DDW-K110 Viper Crossbar Lock Folding Knife 3.5" K110 Black Stonewashed Modi…Retail price: $52.99, our price: $47.69
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Petrified Fish PFP13GAW-K110 Viper Crossbar Lock Folding Knife 3.5" K110 Stonewashed Modified L…Retail price: $52.99, our price: $47.69
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Petrified Fish PFP13GRW-K110 Viper Crossbar Lock Folding Knife 3.5" K110 Stonewashed Modified L…Retail price: $52.99, our price: $47.69
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Petrified Fish Viper FAQ

The Petrified Fish Viper combines outdoor-inspired blade geometry with modern folding knife utility, featuring Bohler K110 steel and a smooth crossbar lock. Its sweeping belly and ergonomic handle deliver capable cutting performance for everyday tasks.

What blade steel is used on the Petrified Fish Viper?
The Petrified Fish Viper uses Bohler K110 tool steel, which is a premium, brand-name version of D2. It delivers dependable wear resistance, strong edge retention, and greater material consistency than standard generic D2 formulations.
What type of blade shape does the Viper have?
The Viper features a broad, continuous-curved modified leaf blade inspired by traditional Nessmuk outdoor designs. The wide belly excels at long slicing motions, while the pronounced negative edge angle pulls material into the cut aggressively.
What lock mechanism and deployment does the Viper use?
The Viper uses an ambidextrous crossbar lock for strong, secure, and easy one-handed operation. The blade opens smoothly using an oversized deployment hole.
What handle materials and carry options does the Viper series offer?
The Viper series features contoured G10 handle scales designed to support a secure, full-fisted grip during heavy use. For pocket carry, it comes equipped with a reversible, ambidextrous wire pocket clip and a hidden lanyard hole.