Features:<br />Double side，different tenderness whetslate<br />Good choose for Kitchen knife， precision tool， Sushi knife and so on<br />Silicone anti-slip stand， beautiful and useful<br />Small number side for grit coarse sharpening and Large number side for grit fine sharpening<br />High hardness<br />Use: First， soak into the water for 15 minute， then Sharping as coarse first， thin later.<br />Don't Scrape off the starch solution， it will help sharping the knife<br /><br />Specifications:<br />Grit:240/800 600/1500 2000/5000 3000/8000 1000/4000<br />Size: 18X 6.4X 3.1cm<br />Weight: 749g<br />Material:White corundum<br /><br />Package Contents:<br />1X Whetstone<br />1X Whetstone stand