Double-sided sharpening: You will receive the sharpening stone with different sides, 400# side for coarse sharpening and 1000# side for fine sharpening. The unique honeycomb design ensures that the dust generated during the grinding process will not affect the sharpening. Efficient material: This sharpening stone uses diamond as the abrasive material, which is more efficient than normal sharpening stone and less risk of damaging the edges. Due to the high hardness of the material and low loss during use, our sharpening stone plate can be used for a long time. Practical: This sharpening stone comes with a silica gel base, which is non-slip and safe to use. The sharpening stone kits are small in size and light in weight, so they are easy to carry and store without taking up too much space. Easy to use: You just need to place the knife on the sharpening stone and move it back and forth several times while maintaining an angle of about 30°. This diamond sharpening plate can be used by