[3 STAGE KNIFE SHARPENER] 3 sharpening stage choices for the different dullness of knives. This knife sharpener can save a "dead" knife within 3-5 seconds.[EASILY SHARPENING] The knife sharpeners is suitable for right & LEFT handed users, no matter the age or ladies. Draw knife on sharpening slot in SAME direction by 3-5 times, restore your knives to former glory.[CONSIDERATE DESIGN] The knife sharpener with ergonomic grip and anti-slip silicone base, provide ultimate stability when use, safe for sharpening without injuries. Detachable grinding head (Diswasher safe option)[DOCTOR FOR DULL KNIVES] The knife sharpener solve the troubles for most blunt knives. Suitable for kitchen, bread, butchers, santoku, straight, filleting, paring, wide & sporting steel knives etc..[ULTRA-LONG STANDBY] The knife sharpener is made of high quality ABS plastic, grinding head with stainless steel cover. Ensure the knife sharpening tool are usable for ultra long time.