The Spyderco Endura 4 Lightweight with K390 steel combines industrial-grade cutting performance with a carry-friendly weight and profile. The 3.80-inch plain-edge, stonewashed blade uses K390 to emphasize wear resistance and edge retention for demanding cutting tasks. A blue FRN handle keeps overall mass low while providing a secure grip. Thumb hole opening and an included pocket clip make this model practical for everyday carry and outdoor use.
Key Specifications
- The blade measures 3.80 inches for versatile cutting tasks.
- Blade material is K390 Steel.
- The handle material is FRN in blue.
- The opening system is a thumb hole.
- The knife has a plain edge.
- The blade finish is stonewashed.
- Closed length is 4.98 inches.
- Overall length is 8.78 inches.
- Weight is 3.30 oz.
- This model includes a pocket clip.
Built for reliable everyday carry and practical field tasks, the Endura 4 Lightweight with K390 steel offers a balance of durability and low weight. Its premium blade steel and practical feature set deliver dependable edge life and handling for outdoor work, utility tasks, and routine cutting needs.








