【Double Sided Design】 Knife Sharpener Double sided Sharpener Stone comes in two types of grit (400/1000 grains), allowing you to sharpen a dull knife and sharpen it even more. 【5 in 1 Sharpening Stone】The front side 400# coarse sharpening is used to repair severely dulled blades, and back side 1000# fine sharpening is used to re sharpen the edges and deburr the blade. The lightning slot in middle of handle is for Scissors Grinding.Left waist of the handle is tungsten steel blade sharpens to restore the knife's V shape,and the right waist of the handle is ceramic blade sharpens for polish and eliminates burrs on the metal blade. 【Premium Quality】The nbsp; diamond knife sharpener are made of high quality tungsten steel, emery, high hardness ceramics and other materials. Sturdy,more efficiency and durability are less risky than waterstones damage margins. 【Ergonomic Design】Unique honeycomb pattern design ensures that dust generated during grinding will not affect the sharpening. The diamond whetstone has a hand held handle and is ergonomically designed to ensure that it does not slip during use and is very light to carry. You can put it anywhere you need to be easy to use and convenient. 【Convenient to Use】Unlike other whetstones that require soaking and waiting a long time, with our diamond sharpener stones you can sharpening immediately without any preparation! If you need to sharpen knife continuously for a long time, please sprinkle some water continuously to cool it down and prevent overheating from damaging the blade. Put away your benchstones dry and store in a dry area to prevent rust after the work. 【Multipurpose Use 】 The nbsp; diamond sharpener stone is ideal for grinding a variety of kitchen knives, scissors, ceramic knives, indoor work, carving and gardening tools, etc. Whether it's a home prop or an outdoor tool, you can use our whetstone to sharpen it for faster productivity.