[ Professional Chef s Choice ] -- The sharpener uses the most advanced system and the most suitable sharpening material.It has the advantages of fast grinding speed simple operation convenient carrying and beautiful appearance. [ Easy to Use & Store ] -- Grinding the knife without water or lubricating oil just need to put the knife on the sharpener to complete it instantly. Besides this sharpener is small compact and do not take up too much space. Very easy to store. [ Fast & Safe ] -- 5 seconds sharpening knife will make your blunt knife sharp like a new knife. Comfortable handle keeps yourhand safely from the moving blade throughout the sharpening process. Itâ€s also safe to use and works for all types ofblades including high-quality hard steel blades. [ Widely Application ] -- Perfect for sharpening straight stainless steel knives perfect for survival knives hunting knives multi function knives steak knives filet knives Scissors pocket knives. Whether it s in the kitchen at home or in the outdoor camp the knife sharpener can make your knife sharper at once. USB current: 5V 2A Colour: White Material: Plastic Size: 25 x 8cm Package Contents: 1 x Knife Sharpeners 1 x USB data cable 7 x grinding disc Only the above package content other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.