Package Contents: Sharpening stones are small in size and lightweight, so they are easy to carry and store without taking up too much space. Unique Design: The unique honeycomb design ensures that the dust generated during the grinding process will not affect the sharpening. The diamond sharpening stone has a non-slip base to ensure that it will not slip during use. Reliable Material: Sharpening stones are very practical and durable because they are made of diamond. Due to the high hardness of the material and the low loss during use, our sharpening stones can be used for a long time. Convenient 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°. You can always add some more during sharpening, which will make the lubricating effect of grinding excellent. Multiple applications: The sharpening stones are very suitable for sharpening all kinds of kitchen knives, scissors, snowboard tuning work,