Amariver Knife Sharpener - for Straight, Serrated Knives and Steel Knives in All sizes - With 2 Stage Sharpening Wheel System and Ergonomic Handle 2 Stage Sharpening System (Razor-Sharp Results) - Slot one for coarse sharpening and shaping of your knife edge and slot two for fine honing that will result in razor like finish of your knife. NON-SLIPPERY Safety Cushion Base - A soft, comfortable, non-slip base provides a secure grip and cushions hands during repetitive knife sharpening motions providing more control while sharpening Ergonomic and Lightweight - Comfort grip handle and very light tools so it is very easy to use and handled Made of high quality with stainless steel and tungsten steel blade,make it easier and faster to sharpen knifes,good quality ensures the longevity After setting the knife's edge with the carbide side, use the unit's ceramic side to nicely finish the edge to a beautiful shine.You can enjoy a better kitchen experience with it.