Welcome to our store! Actual quantity shipped: 5piece(s) Made of high quality black silicon carbide, durable and stable in use. The cutter head is convenient and easy to sharpen, and the portable size is very suitable for outdoor activities. Multi-use: Our professional whetstone sharpener can sharpen any blade, kitchen knife, kitchen scissors, pocket knife, chef's knife, carrying knife, straight razor, cutting knife sharpener, precision tools, garden tools and works of art, but In addition to serrated blades and ceramic knives, etc. Easy to use: our whetstones use water for grinding, do not require expensive grinding/sharpening oil, will not spoil while grinding, and can be easily washed away with water. Optimal performance: well-balanced stone, emphasizing fast cutting, without excessive resurfacing. The three individual rhinestones can sharpen the knife accurately. They are larger, thicker and oversized rhinestones, which can increase the surface area, so that they can exert excellent performance on all kinds of tools. 100% satisfaction - Our customers are our priority. If you find any problems with the products after receiving the goods, such as damage and incorrect quantity, please contact us immediately. We do our best to provide you with satisfactory after-sales service