Spyderco Tenacious – CPM-M4 Drop Point Blade – Brown G10 Handle – C122GBNM4P


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Spyderco C122GBNM4P Tenacious CPM-M4


Since its introduction in 2008, the Tenacious has earned an enviable place as the flagship of Spyderco’s Value Folder family of knives. Purposely designed to provide all the key features of their groundbreaking CLIPIT folding knife platform in a budget-friendly format, Spyderco Value Folders are still some of the best bargains on the knife market.

If you examine the Tenacious closely, you will find its design, engineering, fit, and finish are excellent, easily rivaling Spyderco’s other user-oriented knives. It features full, skeletonized stainless steel liners that are a stout 0.062-inches (1.6mm) thick. Separated by stainless steel standoffs to reduce weight and allow easy cleaning, the liners form the foundation of the knife’s sturdy LinerLock mechanism that locks the blade securely open during use. They also provide a solid anchor for its broad-based pocket clip, which is fully configurable for left or right-side, tip-up or tip-down carry.

In its original form, the Tenacious features precision-machined peel-ply-textured G10 handle scales. More recently, the Tenacious Lightweight replaced the G10 with tough, injection-molded, fiberglass-reinforced nylon (FRN). The FRN scales added the enhanced grip security of Spyderco’s signature Bi-Directional Texture pattern while trimming the knife’s weight by almost 10 percent.

On the “business end,” standard versions of the Tenacious feature a beautifully full-flat-ground stainless steel blade with a textured thumb ramp and a fully accessible Trademark Round Hole for swift, positive, one-handed opening with either hand. The blade’s minimal ricasso also allows the edge to extend all the way to the handle for maximum edge length and extreme control when cutting with the “heel” of the blade.

With all this going for it, you may be wondering how Spyderco is able to make the Tenacious so affordable. The answer to that question is that they made a calculated compromise in their choice of blade steel—8Cr13MoV. By maintaining the highest standards of fit, finish, and handle materials, but using a more economical steel, they created a superior quality working knife that won’t break your wallet.

The Tenacious CPM M4

CPM M4 is a special purpose high speed tool steel produced by the particle metallurgy process. Manufactured in America by Crucible Industries, its sophisticated alloy composition, high vanadium content, and extremely fine grain structure give it exceptional wear resistance and toughness—properties that translate to outstanding edge retention and impact resistance in knife blades. For all these reasons, CPM M4 is a popular material for high-performance custom blades and the specialized knives used in competitive cutting.

Unlike 8Cr13MoV and CPM S35VN, which are both stainless steels, CPM M4 is a tool steel. Its extreme edge retention and toughness come at the price of reduced resistance to corrosion. As such, blades crafted from this steel must be maintained more carefully to protect them from moisture and staining. The benefits of this elite steel, however, far outweigh the minor investment of time needed to care for it.

The Tenacious CPM M4 faithfully maintains all the proven features and benefits of the original model, including full, skeletonized stainless steel liners, a stout LinerLock mechanism, and a versatile four-position pocket clip. To distinguish it from its brethren, its handle scales are precision machined from brown G10 with a peel-ply texture for a non-slip grip. Its defining feature, however, is its blade, which is expertly crafted from CPM M4. The blade’s full-flat grind gives it outstanding cross-sectional geometry and an incredibly keen edge. These qualities are further enhanced by its satin finish, which is not only attractive, but reduces friction during use.

The CPM M4 version of the Tenacious elevates this workhorse design to extreme levels of cutting performance and edge retention. In the process, it—together with the other versions of this design—parallels Spyderco’s unique Mule Team project, allowing end users to experience and appreciate the performance of different blade steels in the same knife format.


  • Blade Length: 3.35″ (85 mm)
  • Cutting Edge: 3.35″ (85 mm)
  • Closed Length: 4.38″ (111 mm)
  • Overall Length: 7.71″ (196 mm)
  • Blade Material: CPM-M4 Super Tool Steel
  • Blade Thickness: 0.122″ (3.1 mm)
  • Blade Style: Leaf Shaped
  • Blade Grind: Full Flat
  • Blade Finish: Satin
  • Handle Material: Brown G10
  • Liner Material: Stainless Steel
  • Locking Mechanism: Liner Lock
  • Pocket Clip: Stainless Steel (Tip-Up/Down, Right/Left Carry)
  • Weight: 4.2 oz. (119 g)
  • Made in China



Spyderco was founded in 1976 by Sal and Gail Glesser. In 1981, the Glessers put down roots in Golden, Colorado and introduced the first Spyderco folding knife. That knife pioneered the concept of a round hole in the blade for one-handed opening, a clip on the handle for carry at the top of the pocket, and the option of a serrated edge for aggressive cutting performance. Since then, Spyderco has steadily grown to become one of the leaders in the cutlery industry. In addition to a worldwide distribution network and manufacturing resources in the U.S., Japan, Taiwan, Italy, and China. Those Who Know, Carry Spyderco.