Case Peanut Slender Folding Knife CA. This Knife from the product experts at Case uses durable stainless steel blades that will keep you cutting with less time sharpening.The Case Peanut Slender Folding Pocket Knife features Make quick work of any task with the Case Peanut Slender Folding Knife. Specifications for Case Peanut Slender Folding Knife: Manufacturer: Case Blade Length: 2.1 in Closed Length: 2.88 in Blade Material: Steel Serrated: Plain Knife Application: Folding Blade Handle Material: Corelon Blade Finish: Stainless Steel Package Contents: Case Peanut Slender Folding Knife CA18225 Case CA9220CS: Peanut Slender Folding Knife