Multiple Sizes - Our knife sharpening stones are available in 4 different grit sizes: 400, 600, 1000 and 1200. The 400#/600# side for coarse sharpening and the 1000#/1200# side for fine sharpening to meet your different sharpening needs.The small size and light weight of this sharpening stone set make it easy to carry and store without taking up too much space.Practical Design - The unique honeycomb design of the diamond sharpening stone ensures that the dust generated during the sharpening process does not affect the results.The bottom of the diamond sharpening stone has a non-slip sponge to prevent it from slipping during use.High Quality Material - These diamond sharpening stones are made of high quality and durable diamonds.Our knife sharpening stones can be used for a long time due to the high hardness of the material and little wear during use.This is a very useful tool for sharpening knives.Easy to Use - This professional knife sharpening stone is very easy to use, combining coarse sharpening and fine sharpening, starting with coarse polishing.Simply place the knife on the surface of the sharpening stone, maintaining an angle of about 30 °, and move back and forth several times.We also offer a plastic knife holder for easy use.Wide Range of Applications - Our professional knife sharpener measures 15.2 * 6.3 cm and is perfect for knives and tools such as kitchen knives, planes, scissors, garden tools, woodworking tools, skis, axes and many more.With this knife sharpening stone, you can make your blades really sharp.