Grit Range: Measuring at 23x8x162 mm each, the set comprises six different grits: 180#, 400#, 800#, 1500#, 2000#, and 3000#, covering a wide range of sharpening needs. Whether you're looking to restore a severely dull edge or refine an already one, these stones offer the grit variety necessary for the task at hand. Compatibility with: Tailored specifically for sharpeners systems, these stones seamlessly integrate into the setup, ensuring a stable and precise sharpening experience. They fit securely into the system, allowing for consistent and reliable results every time you sharpen your knives. Convenience: These diamond stones offer the added convenience of dry sharpening, eliminating the need for water or oil lubrication. This feature simplifies the sharpening process, making it quick and hassle-free, while still delivering excellent results. : Crafted with high-quality diamond material, these sharpening stones are built to last. Diamonds are renowned for their hardness, making them ideal for effectively sharpening a wide array of blade materials, including stainless steel, carbon steel, and ceramic. Applications: Whether you're a professional chef, outdoor enthusiast, or home cook, these diamond stones cater to sharpening needs. From kitchen knives to hunting blades and woodworking tools, they offer the versatility required for maintaining a edge on all your cutting implements. Color: Silver & Black Material: Diamond Package Contents: 6 * knife sharpener Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.