SimpleTaste Kitchen Knives Sharpener 3-in-1 Manual System for All-Sized Household Knives, 3 Sharpening Process, Non-Slip Sponge Mats and Ergonomic Design with a Black/Chrome Stylish Finish Compact and Multi-functional: 3-in-1 knives sharpening system - Ceramic Slot for ceramic knives; Coarse Slot for dull metal knives and Fine Slot for finishing and polishing edges, or perfect for light touch-ups to already sharp knives. Fast and Safe: No more worries about damaging your expensive knives with handheld knife stones, or buying all new knives because professional knife sharpening services are too expensive or time wasteful. Just a few pulls through the sharpening slot and your dull knife will be restored with precision edges. A ergonomic design and non-slip base ensures safety when sharpening your knives. Non-slip Rubber Base: The heavy-duty non-slip rubber base provides ultimate grip & increases safety. Just place it on a flat surface and you're ready to sharpen your knives. Ergonomic Handle: The ergonomic handle has been designed to offer a firm, stable grip safely away from the knife blade while sharpening. Light & Durable: The main body of is made of light, solid ABS plastic, which both protects from cracks forming due to repeated use and also provides a grippier surface than normal plastics.