Features The whetstone is small in size, easy to carry, and more effective for sharpening knives. High-grade sharpening stone guarantees a good sharpening effect. Two optional grit surfaces for coarse or fine grinding. The two colors on both sides represent two different coarse grains, and red represents 3000#. Can be used to sharpen kitchen tools, scissors, knives, razors, etc. Description: The sharpening stone is made from professional grade natural stone, which is quite wearable. It is used to grind and hone the edges of steel tools and implements. Stone is flat for working flat edges, with 2 sides of different grades: 3000# and 10000#. Use the right sharpening side for your stoning work. Features: -The whetstone is small in size, easy to carry, and more effective for sharpening knives. -High-grade sharpening stone guarantees a good sharpening effect. -Two optional grit surfaces for coarse or fine grinding. -The two colors on both sides represent two different coarse grains, and red represents 3000#. -Can be used to sharpen kitchen tools, scissors, knives, razors, etc. 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 List