Proudly Crafted for Life with highly evolved Ergonomics to minimize fatigue and increase cutting power. Its contoured handle scales are made of balance. (1) Serrata Black G-10 Knife. Superior Blade Steel - Its thick, leaf-shaped blade is made by casting 440C stainless steel-a process that creates dendritic ("Tree-like") crystalline structures that gives it exceptional strength, ductility, and cutting ability to the steel.