Manual Knife Sharpener -- Knife sharpener for excellent results every time. Prepares, sharpens and refines the blade. Quickly and effectively sharpens your kitchen knives and restores dull knives to their original sharpness. Double-Sided Sharpening Stones - Combined with coarse and fine grinding to meet different needs. Side different that you can use to sharpen different types of tools.tion of the handle when you use it, and avoid bending your fingers. Foldable Design -- The diamond sharpener can be folded like a folding fan, providing excellent protection against damage. Easy to carry for outdoor use. Versatile Use -- The kitchen knife sharpener can sharpen any blade. Suitable for all knives and scissors, hunting knives, folding knives, steak, pruning shears, chef knives, etc. Anti-Slip Design -- The whetstone strip is on the handle, which can play an important role in anti-skid. Concave and convex whetstone knife sharpener designs at the back end of the handle prevent the handle from being dislocated when you use it and avoid bending your fingers.