<b>Instructions:</b> <br>1. Before sharpening, immerse the whetstone in water about 5 minutes so that it can completely absorb the moisture <br>2. Use the coarse side (grain 1000) for grinding at 10 ° -30 ° about 15 minutes <br>3. Use the fine surface (grain 6000) for fine grinding about 10 minutes <br>4. After sharpening the knife, wipe rhe knife with a damp cloth or rinse it with water. Rinse the whetstone directly with water and allow it to air dry. <br><br> <b>Specifications:</b> <br>Material: white corundum, two different sides, a coarse side (1000) and a fine side (6000). <br>Structure: the non-slip silicone base, beautiful and ecological, the most important is non-slip, ensures the safety of sharpening <br>Size: Red 1000 / White 6000, 179x59x31mm <br><br> <b>Package</b> <br>1 * Sharpening Stone <br>1 * Manual <br>1 * Angle Guide <br>1 * Silicone Base