Smith's Diamond Hook File and Knife Sharpener is an essential addition to any fisherman's tackle box. This versatile tool sharpens all types of standard-edge knives and fish hooks of various sizes, ensuring you are always prepared. The preset sharpening angle guarantees precise and consistent results, making it easy for anyone to use, even without prior sharpening experience. The quick, safe, and easy operation enhances its convenience, while the reversible and replaceable carbide blades ensure long-lasting performance. Additionally, it features a lanyard hole for tethering, built-in knife sharpening slots in the handle, and a diamond-coated file for added versatility.