stage manual knife sharpener: 90 deg. Perpendicular to notch.Sharpen your knife in 5 seconds. Pull the knife in the same direction to quickly make your blunt knife sharp, making it easy to cut vegetables, beef, fruit and more. 3-stage knife sharpening system, prepare,sharpen and hone. Diamond rods for preliminary grinding, tungsten steel blade for shaping and sharpening, ceramic rod honing and polishing the blade. Even old blunt knives can be good as new thanks to the 3-step process.Professional design:This Kitchen Knife Sharpener its Anti-slip base of the rubber material puts your safety first. A comfort handle for maximum grip, suitable for both right and left-handed users. Ergonomic design.The sharpening head can be removed and washed with water.Imitation wood texture, unique appearance.How to use: The first step is to place your blade on a diamond sharpener (near the groove in the handle) and pull it 5 times. In the second step, use the middle groove V-shape and gently pull it 3 times. Finally, the 3rd Ceramics slot fine tunes for a clean polish. Do not push and pull the knife back and forth, use one direction only.Suitable for different types of straight knives: Chopping knife, chef knife, fruit knife, slicing knife, bread knives ,stainless steel, hard steel, high carbon steel, Japanese steel knife sharpeners, and more. Do not use on: ceramic knives, scissors or micro serrated knives.Easy to use & store: Our Plastic Knift Sharpening Tool Suitable for most people, professional chefs, family cooks, even people with weak energy can easily use. Small, compact, and do not take up too much space. Very easy to store. Can be used indoors and outdoors.Produktbeschreibung Color Name:black Specification: Material: This kitchen knife sharpener is made of stainless steel and solid ABS plastic, it is foldable,durable and long term using. Streamlined design, more practical, compact and light than traditional tools. Easy to Use&Easy to CleanSimply place the blade in each slot, and gently pull the knife for several times. (NOTE: Pull/push it in ONE direction with slight downward pressure, DO NOT move back and force.) Designed with a detachable grinder head for easy clean. (NOTE: After sharpening, please wipe with a wet cloth, and keep it dry. Use a soft brush to clean the slots.) Fit Any Blade Size: Works on grinding any sizes of kitchen knives, such as fruit knife, chef knife, cut bone knife. (NOTE: NOT for serrated knives or scissors) ,It can also used for serrated knives or scissors Attention 1. Keep the kitchen knife Sharpener out of reach of children. 2.Dont push or pull your knife back and forth. Use one direction only. It would keep your sharpener sharpening good and long term using. 3. Please clean the knife sharpener keep it dry after using. 4. It is a normal phenomenon when ceramic and metal blade may turn to black.please don't worry it. 5. DON'T wash the knife sharpener in the Dishwasher 5. Package: 1 Kitchen sharpener for knife(Stainless steel + ABS),Weight: 222 g,Dimension: 8.6 x 3.2 x 2.2 cm