Features Double-sided Whetstone for Perfect Sharpening: 2 in 1 combination whetstone, the red color indicates 3000#, use the #3000 grit side for coarse grinding, use the #10000 grit side for fine grinding. Premium Grade Natural Stone: High-quality whetstone ensures good sharpening results and long service life. Double-sided Whetstone for Perfect Sharpening: 2 in 1 combination whetstone, the red color indicates 3000#, use the #3000 grit side for coarse grinding, use the #10000 grit side for fine grinding. Wide Application: The Whetstone is suitable for Most Grinding Operations: kitchen tools, hunting sharpener, pocket sharpener, scissor sharpener, chisel sharpener, blade sharpener, garden tools, shave tools, etc. Professional Design: The sharpening stone is corrosion-resistant, heat-resistant, edges and corners are clearly demarcated. Specifications: Material: Natural stone Color: Green, White(Optional) Grit: 3000#(red side) and 10000#(the other side) Item Size: 100 x 25 x 10mm / 3.93 x 0.98 x 0.39" Quantity: 1pc Weight: 86g(approx.) Instruction: 1. Soak the sharpening stone in water(salt water is better) for 15 minutes before use. 2. Use the #3000 grit red side for coarse grinding, use the #10000 grit side for fine grinding.  3. Sharpening blades in a 10~20 degree angle would reach a better effect.  4. After sharpening, clean the stone with wet cloth or water, then dry it. Package Includes: 1 x Whetstone Note: 1. Please allow 1-3mm error due to manual measurement. Thanks for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as standard. Package List