Design: The design of the whetstone set ensures that the dust generated during the grinding process not affect the sharpening. Handles both rough and fine grinding jobs with ease. Reliable material: The whetstone is made of diamond material, which has good wear resistance and resistance. Due to the high hardness of the material and low loss during use, our whetstone set can be used for a long time. Easy to operate: Just place on the whetstone and move it back and forth a few times while maintaining an angle of about 30°. You can add water or honing oil at any time when sharpening , so that the lubrication effect during grinding be very good. Stress-free use. : The diamond whetstone is perfect for honing household kitchen knives, whether it is a household prop or an outdoor tool, you can use our whetstone to sharpen it. Type:A:240# Colour:As Shown Material:diamond Package Contents: 1 * Grinding disc Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.