The illustrated Spyderco Knife is the Spyderco Endura 4 Knife. The Endura 4 features a 3.8-inch blade made of CPM SPY27 stainless steel with a notched thumb ramp and a Spyderco hole for ambidextrous one hand opening. The cobalt blue FRN (Fiberglass Reinforced Nylon) handle, 4.98-inches closed, has a Volcano Grip texture and a Boye dent lockback. A side to side and end to end reversible metal pocket clip is included with this Spyderco knife. The Spyderco Endura 4 Knife has an overall length of 8.78-inches and weighs 3.6 ounces.