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For those who expect more from their knife, the CJRB Tundra is a beast of a knife with a beefy blade and thick handles for a true hard-use tool.

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CJRB Tundra FAQ

The CJRB Tundra is a heavy-duty folding knife designed for those who need a beefy tool capable of handling demanding work. It is distinguished by its thick blade stock and a unique secondary locking pin that provides extra security during hard use.

What tasks is the CJRB Tundra best suited for?
The CJRB Tundra is built for heavy-duty work and outdoor tasks that require a more robust tool than a standard slim pocket knife. Its thick blade geometry and oversized handle make it ideal for powering through difficult materials or working in environments where you need a high degree of durability.
How does the secondary locking pin on the Tundra work?
The Tundra series includes a hardened, threaded pin that can be screwed into the handle to provide a secondary layer of lockup security. This feature essentially reinforces the primary liner lock, giving the user peace of mind during strenuous cutting where a standard folder might be at risk of closing.
Is the CJRB Tundra easy to use while wearing gloves?
Yes, the CJRB Tundra was designed with oversized hardware, including a large flipper tab and chunky thumb studs, to ensure easy deployment with heavy work gloves. The large G10 or titanium handle scales also provide enough surface area for a secure grip even when your manual dexterity is limited by safety gear.
What blade steel and grind are used in this series?
Most models in the Tundra series utilize D2 tool steel for its excellent edge retention, while limited versions feature premium S35VN stainless steel. To balance the thick, wedge-like blade stock, CJRB uses a high flat grind that allows the knife to maintain respectable slicing performance despite its heavy-duty build.
Are there different handle and finish options for the Tundra?
The Tundra series offers several variations, including handles made from G10 in different colors like black or green, as well as premium titanium options on limited editions. You can also choose between different blade finishes, such as a stonewashed look or a black PVD coating for increased corrosion resistance and a tactical appearance.