DOUBLE-SIDED GRINDING: Double-sided Foldable Diamond Sharpener 400#, 600# grit is suitable for coarse grinding or fine grinding, the knife sharpening stone can meet your needs for different tools FOLDABLE DESIGN: The knife sharpening stone is small in size, easy to carry, the foldable plastic shell protects the internal grinding wheel well when not in use. The diamond sharpener can be folded like a folding fan, providing excellent protection against damage WIDE APPLICATION: The kitchen knife sharpener can be used to sharpen kitchen utensils, scissors, knives, shaving tools, etc. foldable handheld diamond knife sharpener tool is very suitable for outdoor use. Quickly and effectively sharpens your kitchen knives and restores dull knives to their original sharpness EASY TO USE: You just need to place the sharp edge of the knife on the whetstone and rub it, and the knife can be sharp. The sharpening stone strip is on the handle, which can play an important role in anti-skid. Concave and convex whetstone knife sharpener designs at the tail end of the handle prevent the handle from dislocating when you use it and avoid bending your fingers Dual-grit diamond sharpener: High-quality diamond knife sharpener, durable and good grinding effect, helping you sharpen the knife more. The concave and convex combination design on the tail end of the handle ensures a comfortable and firm grip during grinding, prevents the handle from dislocating, avoids bending your fingers, and makes it easy to place or store effectively Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.