In the 1980s, Spyderco original Endura knife blazed a trail as one of the pioneers In lightweight clip-carry folding knives. Today, it remains one of our most beloved models and continues to set the standard for its category. Now In its fourth generation, it has inspired a wide range of variations to meet the diverse needs and preferences of users. All Endura 4 Lightweights feature skeletonized stainless steel liners and injection-molded fiberglass-reinforced-nylon (FRN) handles. The flagship version boasts a robust saber-ground VG-10 stainless steel blade with options for PlainEdge, CombinationEdge or SpyderEdge configurations. Its blade is securely locked In place by a robust back lock mechanism that ensures safe usage while allowing easy ambidextrous unlocking. The black handle is equipped with a Bi-Directional texturing pattern, ensuring a secure and non-slip grip and a four-position hourglass pocket clip that accommodates left or right-side tip-up or tip-down carry. The Endura 4 lightweight, still the benchmark for folding knives.