Reliable material The double layer blade grinding stone is made of high quality corundum and precision processed to achieve moderate hardness. This balance supports effective grinding, reduces wear, and extends service life. Efficient grinding The unique double layer wheel design works with the grinding angle to quickly remove the passivation layer and rust from the knife edge, producing a sharper and smoother edge. Compared with traditional whetstones, it saves time and improves work efficiency. Fine workmanship The double layer sharpening wheel is carefully polished in every detail, ensuring a smooth and even surface with uniform grain distribution. This provides better grinding results and improved wear resistance. Easy installation It installs quickly on a drill and is ready to use. It can rapidly sharpen dull blades, helping you complete tasks faster and more efficiently. Applications and use scenarios - Sharpen kitchen knives and other cutting tools for home cooking and food prep. - Restore dull garden tools, chisels, and small hand tools. - Quick edge maintenance in a home workshop or DIY projects.