ASpecifications:Material: White corundumOptional Size: 18x6x3cm/7.1x2.4x1.2Weight: 650gQuantity: 1pcsAAFeatures:- Double side, different tenderness whetslate.- Dual sided whetstones provide one-stop solution to sharpen and polish knife blades.- Small number side for grit coarse sharpening and Large number side for grit fine sharpening.- High hardness.- Easy to use, no honing oil need, water is enough.- Soft anti-slip silica gel whetstone stand,A beautiful and useful.- Excellent for Kitchen Knives, Outdoor Knives, Razors, Scissors, Chisels and more.A**Use instructions:Firstly, soak into the water for 15 minute,Then sharpening as coarse first, later fine grindingSharpening mud should not be scraped, because it can make it grind knife sharpenerYou Will Receive:**1 x Two Sides Jade Sharpener2 x Soft Protection FrameworkA AA