Feature:1. This is a 400 grit or 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 percent Brand NewItem Type: Sharpening StoneMaterial: Diamond and Stainless Steel and SiliconeColor: GoldGrit: 400 Grit or 1000 GritBase Size: Approx. 290 x 70 mm or 11.4 x 2.8 inSharpening Stone Size: Approx. 205 x 70 x 8 mm or 8.1 x 2.8 x 0.3 inWeight: Approx. 1492g or 52.6oz.Package List:1 x Sharpening Stone1 x BaseNote:1. Please allow 0and 8209 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.