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.