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Spyderco Tenacious
The Spyderco Tenacious is the knife that proved a budget folder could still be a real Spyderco. Designed by Eric Glesser and introduced in 2008 as the flagship of the Value Folder family, it pairs a 3.39 inch full flat ground blade with skeletonized stainless liners, G10 scales, the Trademark Round Hole, and a broad four-position clip for tip up or tip down carry on either side. Unlike most Spydercos, it has no finger choil, so the edge runs the full length of the blade and cuts right down to the heel. It is built in China under Spyderco quality control, which keeps the price down without the fit and finish following it, and it remains one of the most common first good knives people buy.
Spyderco Tenacious Blade Steels
Standard models run 8Cr13MoV, a stainless steel that sharpens fast and holds a working edge, in satin or black with plain or partially serrated edges. Brown G10 builds step up to CPM M4, a high speed tool steel prized for edge retention and toughness that wants a wipe of oil to stay clean, in plain or partially serrated. The Lightweight comes in CPM S35VN, and the titanium models add D2. Our comparison of every major knife steel covers what each upgrade buys you.
Tenacious Lightweight
The Tenacious Lightweight swaps G10 for injection molded FRN over the same full skeletonized liners, with molded-in texture for grip. It comes in 8Cr13MoV in satin or black and plain or partially serrated, plus a blue FRN version in S35VN that puts American powder steel in a knife made to be used hard and not worried about.
Tenacious Liner Lock vs Titanium Frame Lock
G10 and Lightweight models lock on a LinerLock built into the full length stainless liners. The Tenacious R.I.L. moves to solid titanium scales with a Reeve Integral Lock, where the handle itself forms the lock bar, at about 3.3 ounces. It comes in blue anodized titanium with 8Cr13MoV, or with a D2 blade under Spyderco's Blue Disarray finish, a heat anodizing process that leaves a lightning bolt pattern on every scale. Our breakdown of knife lock types covers how the two mechanisms compare.
The Spyderco Value Folder Family
The Tenacious set the format for the rest of the Value Folder line, which shares its design language at different sizes: the compact Ambitious, the mid-size Persistence, and the full-size Resilience. If the Tenacious feels right in hand but you want more or less knife, one of those three is the natural next step.