Feature: 1. Diamond knife sharpening stone with double‑sided 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% Brand New Item Type: Sharpening Stone Material: Diamond Color: Silver Size: Approx.205x70x8mm/8.1x2.8x0.3in Weight: Approx.878g/31oz Grit: 400/1000 Grit Surface Shape: Honeycombs shape. Package List: 1 x Sharpening Stone Note: 1. Please allow 1‑2cm 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.