Feature: 1. 4 IN 1 KNIFE SHARPENERS: Coarse slot is used for straightening and repairing damaged blades, medium slot to sharpen the knives, fine slot for clean polishing, serrated slot for sharpening serrated blades. 2. ERGONOMIC HANDLE: This kitchen gadgets works for both right or left handed person, thec allows you to restore your cooking knives in a matter of seconds! 3. EASY TO USE: Simply place the blade in each of the slots and gently pull the knife through a few times for fast, effective sharpening. Do not push the knife back and forth. 4. MULTI USES: With our professional knife sharpener kit you can sharpen and hone various knives be it any kitchen knife set, chef knife sharpener, paring knives, serrated knife sharpener, filet knife, pocket knives, hunting knives, old knives, new knives and more. 5. DURABLE MATERIAL: Professional knife sharpener kit is crafted from premium ABS plastic, it's strong, durable and designed to last a life time. Specification: Item Type: Knife Sharpener Material: ABS Sharpening Adjustment: Coarse Mode, Medium Mode, Fine Mode, Serrated Mode Gross Weight: 229g/8.1oz. Package List: 1 x Knife Sharpener1 x Instruction Manual