When Spyderco introduced the Delica in 1990, users immediately asked for a larger version. The Endura answered that call the same year, establishing a partnership that has endured for over three decades. Where the Delica prioritizes compact carry, the Endura delivers more blade and handle for users who need additional cutting capability without stepping up to a tactical-sized folder.
Like its smaller sibling, the Endura 4 represents three generations of CQI refinements. Manufactured in Seki City, Japan—the historic center of Japanese bladesmithing—each knife benefits from precision manufacturing and rigorous quality control.
The Endura's 3.75-inch blade provides significantly more cutting edge than the Delica while maintaining the same efficient full-flat grind geometry. The leaf-shaped profile excels at slicing tasks—cardboard, rope, food prep, and general utility. The longer handle accommodates larger hands comfortably.
Spyderco's signature 13mm Round Hole enables fast, ambidextrous one-handed deployment—a critical advantage when wearing gloves or operating with cold hands. The bi-directional texturing on the FRN scales provides secure grip while keeping weight around 3.5 ounces.
The Endura employs Spyderco's proven back lock mechanism, positioned at the spine for intuitive operation. Press the rocker arm to disengage and close the blade. This mechanism has demonstrated its reliability across millions of knives and decades of hard use.
The Endura serves users who find the Delica slightly undersized for their needs. Larger hands fill the extended handle naturally, and the additional blade length tackles bigger cutting jobs more efficiently. Despite the size increase, the Endura remains remarkably slim and light for daily carry. Sprint runs and exclusives offer unique steel and handle combinations for collectors.
| Specification | Detail |
|---|---|
| Blade Length | 3.75" |
| Cutting Edge | 3.44" |
| Overall Length | 8.75" |
| Closed Length | 5.0" |
| Blade Thickness | 0.118" |
| Weight | 3.5 oz (varies by configuration) |
| Handle Material | FRN (standard); variants include stainless steel, titanium |
| Lock Type | Back Lock |
| Pocket Clip | Four-position, tip-up/tip-down, left/right |
| Made in Japan | Seki City |