Features: Ultra Sharp 15-Degree Sharpen -- 15-degree grooves sharpening knives edge to 15-dgree sharp which can improve the strength and durability of them to the utmost extent. It makes the knife reach the sharpest status with the flawless, makes cut, chop, slice more efficient and fast. Versatile 3-Stage Electric Knife Sharpener -- Professional electric knives provide 3 different grooves: Crude groove for durable edge sharpening; Fine groove to improve a fine and smooth knife edge. Special side scissor groove is designed for knife shears. All-in-one Electric Knife Sharpener meet all of your sharpening demands for your kitchen. Effortless Efficient Knife Sharpening -- 2800r/min electic cutter sharpener, can automatically sharpening the blunt knife edge in 5 seconds which is quickly and labor saving then traditional manual knife sharpener. Diamond Grinding Wheel -- 100 percent diamond abrasives wheel can perfectly sharpen straight knife edges, scissors. The crude stage can sharpen knives quickly and the fine stage can sharpen knives more smoothly and sharper. And we give away 3 replaceable sanding wheel in set 2. Comfotable to Use -- Premium all copper motor delivery efficient and steady power, provide high performance enable to achieve outstanding sharpen effects in a low noise. We suggest every side of the knife-edge does not sharpen more than 4 times, or it will too thin and fragile.