Package Include: These whetstones are small in size and light in weight, so they are easy to carry and store without taking up too much space. Unique Design: The unique design ensures the dust generated during the grinding process will not affect the sharpening. The diamond sharpening stone has a non-slip to it will not slip during . Reliable Material: These sharpening have high convenience and durability because they are made of diamond material. Due to the high hardness of the material and the low loss during , our sharpening can be used for a long time. Convenient to : You just need to place the knife on the sharpener stone and move it back and forth while maintaining an angle of about 30°. You can always adding water on it while sharpening, which make the lubricating effect of grinding will be great. Multiple Application: The whetstones are very suitable for grinding all kinds of kitchen knives, scissors, snowboard tuning work, carving and garden , etc. Whether it is household props or outdoor , you can our whetstones to sharpen it and make it easier to . color:Silver Material:diamond size:Approx. 151 x 63 x 1mm Package Contents: 2 x Sharpening Stone(400 or 1000) Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is 1-3cm.