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 Amber Bone Serpentine Stockman with 3 Carbon Steel (CS) blades. 6318 CS.  High Carbon Clip, Spey and Sheepfoot blades. 3 5/8" closed; 2.2 ounces. USA Carbon Steel blades are a high carbon blade and require extra care to maintain the high polish. Keep the blades clean and lightly oiled to keep the blades looking new. USA