[Perfect Ergonomic Design]: Use an ergonomic handle to protect your hands from friction, prevent cuts, and safely control the sharpener. The sharpener has a non-slip rubber pad to provide you with a more stable work surface [Quality Material]: The sharpener is made of international tungsten steel + emery board + aviation ceramics. Tungsten steel has high hardness, high toughness, heat resistance and wear resistance, and has a long service life. Emery has high hardness, good wear resistance, high grinding hardness and long service life. Aerospace ceramics have high hardness, smooth surface and good abrasiveness [Easy to use]: No.1 diamond sharpening rod is used for rough grinding, solid tungsten steel disc No. 2 is used for maintenance, No. 3 special ceramic rod is used for fine grinding and polishing. You can use it to sharpen almost any steel knife. You can save on the purchase of a new knife, because with a grade 3 knife you can even sharpen an old dull knife again. [Knife sharpener with sharpness adjustment function angle]: The knife sharpener has a manual angle adjustment function. Before sharpening the knife, you can adjust the angle according to the type of knife. It can help you sharpen your knife better. [Kitchen Helper]: This sharpener can sharpen the blade without damaging the edge of the blade. With a sharpener, you can get a very sharp blade in just a few simple steps. This is the perfect kitchen helper, and it saves spaceProduct Description High Quality Materials: The sharpener is made of international tungsten steel + emery + aviation ceramics. Tungsten steel has high hardness, high toughness, heat resistance and wear resistance. Emery has high hardness, good wear resistance, high grinding hardness and long service life. Aerospace ceramics have high hardness, smooth surface and good abrasiveness Perfect Design: With the ergonomic handle, you can avoid hand rubbing, avoid cuts and safely control the sharpener. The sharpener has a non-slip rubber pad to give you a more stable work surface Manual: The #1 diamond sharpening rod is used for coarse grinding, disc in #2 solid tungsten steel is used for maintenance and #3 special ceramic rod is used for fine grinding and polishing. You can use it to sharpen almost any steel knife Advantage: The three-stage sharpener can turn a dull knife into a sharp knife, which is the perfect kitchen tool. It allows save the cost of buying new knives, the cost of sharpening knives and the waiting time for new knives The perfect kitchen helper: The sharpener can sharpen the blade without damaging the edge of the blade. With a sharpener you can get a very sharp blade in a few simple steps. That's the perfect kitchen helper, very space-saving Pencil sharpener with angle adjustment function: The sharpener has an angle adjustment function. Before sharpening, you can adjust the angle according to the type of knife Item size length x width x height: 28.5*4.5*6.5CM Product weight: 277 grams Products include: 1 *sharpener