5 Grit Specifications are Available: Diamond stone includes five different grit levels of 400, 600, 800, 1000, and 1200, which can be efficiently and accurately polished from coarse to fine grinding, suitable for different degrees of edge wear Strong and : Diamond sharpening stone is made of diamond material, which has extremely high hardness and wear resistance, ensuring long-term durability and stable grinding performance without deformation or discoloration Stable and Non-slip: The honeycomb layout of the diamond sharpening plate can effectively channel the grinding debris and prevent dust accumulation, and the non-slip base can a stable and non-slip grinding operation Easy to Use: Place on the lapping plate at a 15° angle, slide it back and forth a few times, and then apply a little water or honing oil to lubricate and extend the life of the whetstone, and then wipe off the moisture to prevent rust Easy to Store: Diamond stone is compact (6Inch long x 2.5Inch wide x 0.04Inch high), easy to carry and store, suitable for sharpening various hard tools, such as kitchen knives, jade, tool steel, glass, seals, carving tools, and ceramics, etc. Color:Silver Material:Diamond Package Contents: 5 * knife sharpener stone 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.