3000/8000 Kitchen Knife Grit Sharpener Sharpening Water Stone Dual Whetstone, Good Choose for Kitchen Knife, Precision Tool, Sushi Knife and so On 100% brand new and high quality, Double side,different tenderness whetslate, Good choose for Kitchen knife, precision tool, Sushi knife and so on Silicone anti-slip stand, beautiful and useful, Small number side for grit coarse sharpening and Large number side for grit fine sharpening High hardness, Use: First, soak into the water for 15 minute, then Sharping as coarse first, thin later. Don't Scrape off the starch solution, it will help sharping the knife, Size: 18X 6.4X 3.1cm Weight: 749g, Material:White corundum, Package Contents: 1X Whetstone 1X Whetstone stand