1High quality material, high hardness, good self-sharpening, fast grinding, low loss, acid and alkali resistance and corrosion resistance. 2Multiple uses, the professional knife sharpening stone is highly durable and long lasting. We understand the importance of safety when handling sharpening tools, comes with a base box, safe to use. 3This sharpening stone can sharpen any blade, suitable for household kitchen knives or outdoor knives, whether it is kitchen knife set, cook knife, steak knife, paring knife, etc. 4This device ensures that the stone is fixed in one place. The sharpening guide allows you to maintain a right angle and safely apply consistent pressure while sharpening the blade. 5Easy to use, the sharpening stone set is user-friendly and easy to assemble. Sharpening stone uses water for sharpening, so there is no need for expensive sharpening oil, no residue and it can be easily cleaned using water.Condition: 100% Brand New Item Type: Sharpening Stone Material: Green Silicon Carbide, Diamond Scope of Application: Household kitchen knives/outdoor knives Function: Solve the problems of blunt knife, dent, curved blade and other problems Applicable Knives: Kitchen knives, butcher knives, bone cutters, planers, chisels and other hard steel tool knives are available Product Size: Approx. 232 x 80 x 50 mm / 9.1 x 3.1 x 2 in Weight: Approx. 743g / 26.2oz1 x Sharpening Stone Kit (1 x Base Box, 1 x Sharpening Stone, 1 x Sharpener Angle Setter, 1 x Double-Sided Sharpening Stone)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.