Feature:1. Diamond knife sharpening stone with doublesided design, separately imprint with 1000 grit and 400 grit, representing coarse grinding for 400 grit and fine grinding for 1000 grit,for honing and maintenance.2. Adopts high quality diamond material, the surface is smooth and the particle size is even, the mesh number is accurate.3. Suitable for family kitchen tool sharpening, woodworking chisel, seals, or carving knives.4. Knife sharpening stone is great for woodworking cutting tool grinding, skate blade, glass tile chamfering, some super hard tool in the industrial.5. High appearance, delicate and practical for stone, provides many conveniences for your daily life.Specification:Condition: 100 percent Brand NewItem Type: Sharpening StoneMaterial: DiamondColor: SilverSize: Approx.205x70x8mm or 8.1x2.8x0.3inWeight: Approx.878g or 31ozGrit: 400 or 1000 Grit Surface Shape: Honeycombs shape.Package List:1 x Sharpening StoneNote:1. Please allow 1and 8209 2cm error due to manual measurement. Thanks for your understanding.2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard.