3-STAGE KNIFE SHARPENER: 3 choices of sharpening steps for different knife dullness. This knife sharpener can save a "dead" knife in 3-5 seconds. EASY SHARPENING: The knife sharpener is suitable for right-handed users, regardless of age or women. Pull the knife across the sharpening slot in the SAME direction 3-5 times, restore your knives to their former glory. CONSIDERED DESIGN: The knife sharpener with ergonomic handle and non-slip silicone base, provides ultimate stability when in use, safe for sharpening without injuries. Removable grinding head (dishwasher safe option) DOCTOR FOR DULL KNIVES: The knife sharpener solves the problems of most dull knives. Suitable for kitchen, bread, butchers, santoku, straight, filleting, paring knives, sport steel wide knives, etc. stainless steel lid. Make sure the knife sharpening tool can be used for a very long time.