[Ensure The Smoothest Cut] : When It Comes To Matters Of The Kitchen, Nothing Is More Frustrating Than A Knife That Doesnt Cut Properly, Even If You Are Priority Chef Or Chefologist. Cooking Should Be An Enjoyable Experience, But When Your Cutlery Doesnt Work, It Turns A Relaxing Activity Into An Annoyance. This Knife Sharpener Is A Great And Affordable Solution For Knives. No Matter What The Tool, Our Diamond Sharp Knife Sharpening Stone Can Solve Your Problem Immediately. [Multipurpose Use] :Diamondstone Knife Sharpener Plate Has 2 Sides(1000 Coarse Grit/400 Fine Grit), And It Has The Tungsten Ceramic Groove, It Can Be Used As Serrated Knife Scissor Sharpener, Kitchen Bavarian Knife Edge Sharpener, Whetstone Knife Sharpening Stone, So This Diamond Sharpening Plate Suitable For Any Item You Want Sharpened And Polished. Using Our Product Can Extend The Life Of The Knife And You From The Constant Pain Of Buying A New Knife. size diamond sharpening stone for knives: 11*2.1 inch Angle Guide: 4* 0.9 inch usage guide: 1.Place the sharpener on the platform. 2.Rough grinding: suitable for cutting or repairing damaged blades. Use 400# diamond grinding surface to grind the blade back and forth at an angle of 15-30 degrees. (We provide a 30-degree Angle Guide) Generally, coarse grinding is performed once every six months and can be adjusted according to specific conditions. 3.Fine grinding: This is a step that must be performed to eliminate the burrs of the knife edge and smooth the blade. Use 1000# diamond grinding surface to grind the blade back and forth at an angle of 15-30 degrees, the strength is smaller than the previous step. Generally fine grinding once a week, can be adjusted according to specific conditions. 4.After granite the tool, wipe it with a damp cloth or rinse with water, then clean the surface with a soft brush, To keep the manual diamond sharpening stones kit dry.