Check the listing for details. Serrated Knife Sharpener with Retractable Diamond Sharpening Rod. Repairs, Re.... Color: Silver, Condition: New. Listed at 20.04 USD. Super Serrated Sharpener camping & POCKET-SIZED EFFICIENCY: This retractable diamond knife sharpener is designed for portability. Easily fits in pockets, toolboxes, and backpacks, making it convenient for sharpening blades and tools on the go. DUAL FUNCTIONALITY: Features a half-round rod for straight blades and a tapered diamond-coated rod for serrated edges, enabling efficient sharpening of various knife types. VERSATILE SHARPENER: Suitable for a range of applications including kitchen, camping, fishing, and more. Ensures your blades are sharp wherever you are. USER-FRIENDLY DESIGN: Designed for safety and ease of use, this pen sharpener allows for adjustable knife angles during sharpening and is built for a comfortable grip. QUALITY ASSURANCE: Constructed with a durable diamond rod, this sharpener is built to last. We strive for customer satisfaction with a reliable sharpening tool.