Spyderco Endura 4 Knife Tactical Black FRN Folder (3.75" Black Serr) C10PSBBK In the 1980’s, the original Spyderco Endura blazed a trail as one of the first lightweight clip-carry folding knives. Today it remains one of our most popular models and continues to set the standard for all other knives of its breed. Now in its fourth generation, it has also inspired a broad range of variations to meet virtually every user’s needs and preferences. All Endura 4 Lightweights are distinguished by their skeletonized stainless steel liners and injection-molded fiberglass-reinforced-nylon (FRN) handles. This specific version of the design includes a stout saber-ground VG-10 stainless steel blade with a partially serrated CombinationEdge™ and a low-profile black titanium carbonitride (TiCN) coating. The blade is supported by a sturdy back lock mechanism that locks it securely open when in use yet allows easy ambidextrous lock release. Bi-Directional Texturing™ on the handle ensures a positive grip in even the most demanding conditions and its four-position pocket clip can be easily configured for tip-up or tip-down carry on either side of the body. Like the blade, the knife’s clip, lock bar, and other metal hardware all feature a stealthy, non-reflective black coating. TECHNICAL SPECS Overall Length : 8.75" (222 mm) Blade Length : 3.75" (96 mm) Steel : VG-10 Closed Length : 5" (127 mm) Edge Length : 3.438" (88 mm) Weight : 3.6 oz (103 g) Blade Thickness : .125" (3 mm) Handle : FRN Clip Position : Left/Right Tip Carry Position : Tip-Up/Down Lock Type : Back Lock Grind : Saber