There is nothing like the feel of a Case knife in your hand. Durable, strong and beautifully designed, our hand-crafted Case knives are in a class of their own, which is one reason why they've been passed down from generation to generation, and sought after by collectors from all over the world. For an authentic, American-made work of art, nothing compares to a Case pocket knife, or hunting knife. W.R. Case & Sons Cutlery Co., hand-crafted knives since 1889. Case XX three blade medium Serpentine Stockman with Yellow synthetic handles. -High Carbon Chrome Vanadium (CV) Clip, Spey and Sheepfoot blades. -Chrome Vanadium finish. -3 5/8" closed; 2.3 ounces. The blades in this knife are Chrome Vanadium (CV) which is high carbon. High carbon blades sharpen very well and keep their edges, but require extra care to maintain the factory finish. Keep the blades clean and lightly oiled.