CPM REX 121 High-Performance Blade Steel: Known for its exceptional wear resistance, extreme hardness, and outstanding edge retention, REX 121 steel excels in demanding cutting tasks, offering unrivaled durability Full-Flat-Grind Satin-Finished Blade: Precision-crafted for optimal cutting performance, the full-flat grind maximizes the steel's sharpness and slicing ability, ensuring smooth, clean cuts every time Ergonomic Peel-Ply-Textured G-10 Scales: The peel ply-textured G-10 handle in vibrant burnt-orange offers a secure, comfortable grip while providing a stylish look, making the Sage 5 both functional and visually striking High-Strength Compression Lock Mechanism: Features Spyderco's renowned lock system for secure blade engagement, ensuring smooth one-handed operation and safe use Versatile Reversible Wire Clip: Designed for ambidextrous, tip-up carry, the wire clip provides convenient and discreet pocket carry for both left- and right-handed users Premium EDC Folding Knife: Compact 3-inch blade design suitable for everyday carry, hunting, tactical applications, camping, survival situations, and hiking adventures Skeletonized Stainless Steel Liners: Nested stainless steel liners provide structural strength while reducing overall weight for enhanced portability and balanced handling during extended use Crucible Industries’ CPM REX 121 is a high-vanadium, cobalt-bearing tool steel designed to offer the greatest wear resistance, attainable hardness, and red hardness available in a high speed steel. Created to bridge the performance gap between high-alloy tool steels and carbide materials in demanding industrial applications, when applied to knife blades, it offers extreme hardness and unequalled edge retention. This unique expression of the popular Sage 5 showcases REX 121’s remarkable properties in its full-flat-ground, satin-finished blade. To further distinguish its elite status, it also features distinctive burnt-orange-colored peel ply-textured G-10 scales. All other features of this knife are consistent with the proven Sage 5 platform, including nested, skeletonized stainless steel liners, a high-strength Compression Lock mechanism, and a reversible wire clip that supports ambidextrous tip-up carry. Founded in 1976, Spyderco is a leading innovator in high-performance knives, known for their signature round hole and ergonomic designs. Trusted by outdoor enthusiasts, first responders, and professionals, Spyderco uses advanced materials like CPM S30V and SPY27 steel to create durable, reliable tools. With a focus on precision and innovation, Spyderco continues to set the standard for quality in the knife industry.