: All sharpening stones cannot be created evenly. We only import premium quality materials for the production of our Wheetstones. In addition to the sharpening compounds, aluminum oxide, CBN super abrasive composition gives you a superior cutting performance. Do not fool by cheap knife sharpening stones with identical looking .Supeterior bunch: It should be 3 packaged on an affordable set for you, with non-slip rubber base + straightening stone + 1000), perfect for making very dull blades: a sharp setting stone guide (e-book) is perfect for using it sharply: The knife sharpening is perfect for making the knife sharp stones, the dull knives and the damaged blades. Thus, it minimizes fatigue, which facilitates food preparation, minimizes fatigue and minimizes fatigue in the arms caused by blunt or dull blades, and higher -sided Wheetstone: This knife sharpening is made of wet stone, extremely durable silicone cardid dual side sand 400/1000. Grit 400 grit stone is used to to its original shapes, used to sharpen and soften the grit 1000 edge. White straightening stone is used to straighten the irregular surface caused by repeated use, while it makes it flat. Since it is a water stone, expensive honing oil is not required .Multipurpose use: Wet stone knife sharpening, you can monitor the edges or any kitchen knife set, chef knife, steak knife, santoku knife, pair knife, sushi knife, knap knife, bending knife, scream knife, flushing knife, coriating knife. Sharpening, scissors, chisel, knife sharpening, flat razor, carving and garden tools and even a boring sword can sharpen