SHARPAL 181N Diamond Knife Sharpener, Double-Sided Sharpener, for Knives, Axes, and Scissors, with Leather Strop, Leather Case, Coarse 325/Fine 1200, Easy-to-Use Multi-Purpose Whetstone Material: Stoneware, Diamond Coating, Monocrystalline Diamond Brand: SHARPAL Fast & Durable: Electrically deposited industrial-grade monocrystalline diamonds on a stainless steel base. Sharpening up to 5 times faster than oil stones or water stones. ● Sharpens & Hones All Hard Materials: Dry sharpening of all hard materials, including high-speed steel and carbides. No troublesome oil or water needed. ● Two Grit Sizes: Coarse 325 grit (45 microns) quickly sharpens dull or damaged blades or resets new edges. Ultra-fine 1200 grit (12 microns) for honing. ● Genuine Leather Sheath: The leather sheath made of genuine cowhide functions as a leather strop, giving the blade a mirror finish and razor-sharpness. This item has been used a few times at home, so please understand before purchasing. Please check the size and condition in the photos.