AccuSharp® 4-in-1 Knife & Tool Sharpener (028C) The AccuSharp 4-in-1 Knife and Tool Sharpener is the outdoorsman’s best friend for sharpening and honing your blades. Whether you’re working in the woods, on the boat, or in the workshop, this is the tool you need to keep your blades in peak cutting form. The AccuSharp® 4-in-1 Knife and Tool Sharpener combines every sharpening necessity into one pocket-sized unit. Featuring coarse tungsten carbide sharpening blades and fine ceramic rods, the unit also comes with a retractable diamond-tapered rod used for deep serrations. The rod also has a groove for all of your hooks and darts. Plus, the unit comes with a retractable flat diamond file for users who prefer a continuous surface for their sharpening needs. The model is finished off with molded rubber feet to keep the unit steady while in use.