Luxebell Knife Sharpener, 3 Stage Sharpening System for Knives, Black The knife sharpener uses a 3-stage process to quickly sharpen your knives and accommodates all sizes including paring, hunting, military, fishing, and folding knives. Safe and Durable. Ergonomic handle has been designed to fit your hand, promising you a good firm grip. Non-slip rubber feet would hold the diamond ceramic knife sharpener in place when in use. Simply run your dull steel knife about 3 or 4 times through the "coarse" slot by pulling the knife towards you, and twice through the "fine" slot to remove burrs, and enjoy a perfectly sharpened knife in seconds with this professional knives sharpener. CAUTION- Clean the knife with the water or wiper and dry it after use. Do not put the sharpener into the dishwasher or water,please keep it dry and clean. Do not overpower and back and forth when grinding. BUY WITH CONFIDENCE: Our knife sharpener comes 90 days money back guarantee for any dissatisfied reasons,rest assured to buy.