Ultimate Knife Sharpener: Double-Sided Diamond Whetstone with Angle Guide & Case. Double-Sided Diamond Whetstone with Angle Guide & Case. Made with industrial monocrystalline diamonds electroplated onto a robust steel base of 0.35 inches thick. Up to 5 times faster sharpening compared to traditional oil or water stones. DUAL GRIT: Coarse 325 grit (45 micron) for rapid edge setting; Extra fine 1200 grit (12 micron) for precision honing. Effortlessly sharpens hard materials including High-Speed Steel, Carbide, Ceramic & Cubic Boron Nitride. Sharpens dry – no messy oils or water needed. Super FLAT Surface achieved through exclusive MirrorFlat technology, ensuring even contact with your knives or tools. Includes a storage box with a non-slip rubber pad that doubles as a stone base while sharpening. Integrated Sharpening Angle Guide with four universal angles: 14°, 17°, 20°, 25° for precise control. Exceptional speed: sharpen your knives in a fraction of the time compared to traditional methods. Versatile: perfect for sharpening a wide array of materials, both soft and hard. Consistent sharpening performance due to its ultra-flat surface. Convenience of a compact design with a bonus storage box and angle guide. 3-year commitment to quality and superior after-sale service ensures peace of mind. Why Should You Choose the Ultimate Knife Sharpener? Transform the way you maintain the edges of your knives with the Ultimate Knife Sharpener. Engineered with industrial-grade materials and innovative design, this double-sided diamond whetstone delivers unparalleled sharpening performance that outpaces traditional stones by miles. With the convenience of sharpening dry and a user-friendly angle guide, getting a razor-sharp edge has never been easier. Invest in your culinary tools and experience the precision and efficiency that only our sharpener can provide. Order your Ultimate Knife Sharpener today and elevate your kitchen experience! Alternative Carriers – We may use alternative carriers e. To ensure your package arrives safely and on time. Your feedback is extremely important to us. We strive to provide the best products and customer service possible. We are committed to resolving any problems and ensuring your satisfaction. Type: File, Rod, Stone, Kit. Blade Material: Monocrystalline Diamond.