Idealeben Whetstone with non-slip silicone holder Professional Knife Sharpening Stone Sharpener Double Two-Sided Grit Combination Corundum 3000/8000 HIGH-QUALITY DOUBLE-SIDED KNIFE SHARPENING STONE: Coarse side 3000 grit can make edge very sharp, and edge reflects light well; Fine side 8000 grit is ideal for finishing and polishing the edge, and perfect for light touch-ups to an already sharp. Edge is very near perfect. HIGH-GRADE WHETSTONE ENSURE EFFECTIVE SHARPENING RESULTS: BearMoo sharpening stone is made from professional grade white corundum, corrosion-resistant, heat-resistant, edges and corners are clearly demarcated. 3000/8000 GRINDSTONE IS SUITABLE FOR MOST GRINDING OPERATIONS, such as kitchen knives, kitchen shears, pocket knife, Shun chef knife, porting knives, straight razor, cutting class knife grinding, precision tool, garden tools and art appliance, but EXCEPT serrated blades and ceramic knife etc. GUARANTEE THE SAFETY SHARPENING WITH NON-SLIP SILLICONE BASE: The non-slip silicone base holds the sharpening stone securely in place, so you never have to worry about the whetstone slipping off the counter. 100% SATISFACTION GUARANTEE NO RISK - We're sure you're going to love this whetstone, try it out today without risk. If you're not satisfied with the sharpening stone for whatever reason, just contact us within 30 days for a hassle-free full refund, no questions asked.