Manual Knife Sharpener -- Knife sharpener to obtain 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 grind to meet different needs. Different side 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. Multipurpose Use -- The kitchen knife sharpener can sharpen any blade. Suitable for all knives and scissors, hunting knives, steak knives, pruning shears, chef's knives, etc. Anti-Slip Design -- The whetstone strip is on the handle, this which can play an important role in anti-slip.The concave and convex whetstone knife sharpener designs at the rear end of the handle prevent the handle from dislocating when you use it and avoid bending your fingers .