Never work with a dull Blade again with the Rothco Lansky Blademedic. This versatile tool combines four Blade sharpeners into one compact tool. Use the tungsten carbide sharpener to set an edge onto a dull Blade, the ceramic tool for polishing and finishing, the ceramic edge to sharpen serrated Blades, and the diamond tapered rod for quick reconditioning. This all-in-one knife sharpener is small enough to stow a pocket, bag, or rucksack, making it ideal for a variety of uses.