Check the listing for details. 4-in-1 Knife Sharpener [4 Stage] with a Pair of Cut-Resistant Glove, Original. Color: Gray, Condition: New. Listed at 7.00 USD. Kitchen Knives with 4 Stage】Professional knife sharpener provides 4 different slots for Coarse, Fine or Exact-grinding knife sharpening, 1 slot for scissors sharpening. The 2nd slot (Tungsten Steel) is to repair and straighten blunt blades; the 3rd slot (High Hardness Emery) is to remove burrs and restore the natural V-shape of blades; the 4th slot (Zirconia Ceramics) is to polish blade edges to smooth sharpness. 【Quality material】knife sharpener uses solid materials, such as tungsten steel, high hardness emery, zirconia ceramics, for fast and effective honing, sharpening and polishing, with a high-quality ABS plastic casing to reduce weight for easy carry. 【Easy&Wide to Use】Knife sharpener handle is ergonomic, with a non-slip silicone base at the bottom, it is not easy to slide when sharpening, safe and labor-saving. It can be used not only in the kitchen, but also for hunting, camping, outdoor survival use as Hunting Knife Sharpener. 【Durable】This knife sharpener works great on all types of knives. Keep your knives sharp and ready to use. It is very easy to use, and very sturdy and durable. 【Practical】 The sharpener is applicable to various types of knife including cleaver, slicer, fruit and vegetable knife, satisfying all your daily demands.