Portable knife sharpener with ceramic discsNo more having to endure dull blades - a knife sharpener is a simple and elegant way to keep your knife as sharp as the day you bought it. This elegant sharpening solution features ceramic notches and a sharpening stone, wrapped in a shape no bigger than a ballpoint pen. Always keep it handy and stay sharp. This fountain pen sized sharpener includes a sharpening stone and drag stones to easily achieve the correct angle of the blade. It is particularly suitable for sharpening pocket knives.Turn the knife spine outwards so that the sharpening angle is approximately 20 degrees. Surely pull the cutting edge over the sharpener several times on both sides. Do not put too much pressure on the sharpener.