The Spyderco Endura 4 folding knife, model C10FPBK, is renowned for its exceptional functionality and durability, making it a top choice in the Spyderco lineup. This knife is designed to cater to a broad range of needs, from everyday carry to outdoor activities, and even tactical uses. Featuring a flat ground blade, the Endura 4 is known for its superior cutting performance. The blade is typically crafted from VG-10 steel, a premium material celebrated for its balance of edge retention, sharpness, and resistance to corrosion. This makes the knife not only reliable for various cutting tasks but also ensures its longevity and consistent performance over time. The handle of the C10FPBK is made from Fiberglass Reinforced Nylon (FRN), a material chosen for its combination of strength and light weight. FRN is also resistant to wear and environmental elements, making it suitable for use in various conditions. The texture on the handle provides a comfortable and secure grip, enhancing the knife's ease of use and handling, even in wet or slippery conditions. One of the standout features of the Endura 4 is its lightweight and versatile design. Despite its robust construction, the knife is surprisingly light, making it easy to carry and handle. This versatility makes it suitable for a wide array of tasks, from simple daily chores to more demanding outdoor or tactical situations. A key safety feature of the Endura 4 is its lockback mechanism. This mechanism ensures that the blade stays securely in place when in use, preventing accidental closure that could lead to injuries. The reliability of this locking system adds to the overall safety and functionality of the knife. The knife includes a pocket clip, which enhances its practicality. The clip allows for easy and convenient carrying and is designed for reversible tip-up or tip-down carry, accommodating different user preferences. This feature makes the Endura 4 readily accessible for quick tasks or emergency situations. Adding to its appeal, the C10FPBK model sports an all-black appearance. Both the blade and the handle feature a black finish, giving the knife a sleek and tactical look. This aesthetic appeal, combined with its functionality, makes the Endura 4 attractive not only for practical use but also for collectors and enthusiasts. Overall, the Spyderco Endura 4 folding knife with an FRN handle and flat ground blade, model C10FPBK, stands out as a practical, durable, and stylish tool. Its blend of a high-quality blade, ergonomic design, and user-friendly features makes it a highly regarded choice for anyone in need of a versatile and reliable knife.