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(400/1000) 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.