Feature:1. This is a 400 grit / 1000 grit doublesided kitchen knife sharpening stone that can be used on both sides.2. Suitable for cutting tool, chamfering of glass tiles, hard cutting tool of industrial and mining factories.3. Comes with adjustable and antiskid base, good helper for kitchen, providing convenience for daily life.4. Suitable for sharpening kitchen knives, woodworking knives, ice skate blade of ice skating lover and so on.5. Smoothly surface, uniform granularity and accurate grit, overcome the defects of easy wearing and depression.Specification:Condition: 100% Brand NewItem Type: Sharpening StoneMaterial: Diamond + Stainless Steel + SiliconeColor: GoldGrit: 400 Grit / 1000 GritBase Size: Approx. 290 x 70 mm / 11.4 x 2.8 inSharpening Stone Size: Approx. 205 x 70 x 8 mm / 8.1 x 2.8 x 0.3 inWeight: Approx. 1492g / 52.6oz.Package List:1 x Sharpening Stone1 x BaseNote:1. Please allow 0‑2 cm 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.