The Kershaw Ultra-Tek Blade Sharpener delivers a highly compact, lightweight, and completely self-contained edge maintenance tool engineered for rapid on-the-go sharpening and field utility. Measuring 9 in open length, this pocket-friendly tool features a 0.22 thick diamond sharpening rod with a fine abrasive surface perfect for quickly touching up, realigning, and polishing worn or rolled edges back to a razor finish. The innovative retractable style allows the diamond steel rod to slide cleanly inside the durable 5 black anodized aluminum handle, protecting the abrasive surface from damage while keeping your gear clean during transport. Weighing a mere 1.70 oz, this premium, sleek black system provides hunters, survivalists, and everyday carry users with an effortlessly portable tool to maintain factory sharpness anywhere. Safety Note For use by trained adults only. Always verify that the retractable diamond rod is fully extended and securely threaded into position before use, maintain smooth and controlled strokes away from your body, and keep out of reach of children.