Having sharp blades improve precise and accurate cuts when working on survival projects. The Lansky® Blade Medic Sharpener is made of tungsten carbide to promote a sharp edge in 3-4 strokes. It will sharpen plain or serrated edge blades with precision. This sharpener also features ceramic rods to create a polished finish on any blade. Its diamond tapered rod will sharpen gut hooks and other detailed tools too. The stainless steel body is coated with rust protection to ensure a long lasting sharpener. It measures 3-7/8" closed.