Professional Knife Sharpener - The 2-level coarse and fine grinding sharpening system can perfectly meet your knife sharpening needs. In addition, the scissor slots and screwdriver slots on the side can provide you with other practical multifunctional services. Full Copper Motor - The premium full copper motor provides efficient and stable power, delivering high performance for excellent sharpening results. We recommend sharpening the blade no more than 4 times per side, otherwise it will become too thin and brittle. 5 Seconds Fast Sharpening - Practical, efficient, and economical knife sharpener, high-speed grinding wheel, 2800 RPM electric knife sharpener, can automatically sharpen dull blades in 5 seconds. This method saves time and energy compared to traditional manual knife sharpeners. DIAMOND GRINDING WHEEL - The 100% diamond grinding wheel can perfectly sharpen straight blades and scissors. The coarse grinding station can sharpen the knife quickly, and the fine grinding station can make sharpening smoother and sharper. High-quality diamond grinding wheels have a longer service life. 15-Degree Sharpening - The finer the edge, the less energy it takes to cut and the easier it is to control the knife. A 15-degree sharpening maximizes the strength and durability of your knife.