ITEM NAME:Dual Whetstone Double Sided Grit Sharpener Sharpening Water Wet Stone 1000/ X4W9 Dual Whetstone Double Sided Grit Sharpener Sharpening Water Wet Stone 1000/ X4W9 100% brand new and high quality. Double side,different tenderness whet slate. High hardness. 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. 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. Package Contents: 1X Whetstone; 1X Whetstone stand Color: green+white Size: 18 X 6.4 X 3.1cm Weight: 749g Material: White corundum Note:Light shooting and different displays may cause the color of the item in the picture a little different from the real thing.The measurement allowed error is +/-1-3 cm.