The Case Cutlery Milled Anodized Aluminum Kinzua Spear Blade Folding Knife features a S35VN steel blade for toughness and an anodized aluminum handle for lightweight functionality. The ball bearing pivot allows smooth one-handed operation, and the locking mechanism keeps the blade securely in place while open. Case Cutlery Milled Anodized Aluminum Kinzua Spear Blade Folding Knife Blue - Folding/Pocket Knives at Academy Sports