Description: Features 100% brand new and high quality Come with soft anti-slip silica gel whetstone stand, beautiful and useful Good choose for Kitchen stainless steel knife, precision tool, Sushi knife and so on Suitable for coarse grinding, grinding, edge, fine grinding Double side,different tenderness whetslate Small number side for grit coarse sharpening and Large number side for grit fine sharpening High hardness Use instructions: Firstly, soak into the water for 15 minute, Then sharpening as coarse first, later fine grinding Sharpening mud should not be scraped, because it can make it grind knife sharpener Specifications Type: Kitchen Knife Sharpener Professional Sharpening System Specification: 3000#8000; 1000#4000; 2000#5000; 1000#3000; 1000#6000;400#1000 Size: 180*60*28(mm)/7.0*2.4*1.1 (inch) Material: white corundum material Included: 1X Whetstone 1X Whetstone Stand