This simple 2 step sharpener quickly and easily sharpens and hones any knife to like new results in seconds. The 25° Convex-Carbide¨ sharpening blades quickly restore a sharp edge; while the fine grit ceramic rods hone the blade back to a refined edge. Additional 320 grit diamond sharpening surface is ideal for touching up knives, tools and even fishhooks. The compact size easily stows in your pack, pocket, tool or tackle box.