400 Grit Side: It well suited mainly as a grit to use after a coarser grit and prior to a finer grit. 1000 Grit Side: Sharpen knives and tools that are not very dull. 2000 Grit Side: Make edge of most knives and tools extremely sharp 5000 Grit Side: Use to polish edge and make it smooth and bright Instructions to use: 1. Soak it in water for 5 minutes, put it in the bamboo base with rubber holder on a flat surface. 2. Clip the guide on knife. 3. First use the 400grit grit side for rough grinding in 10~30 degree angle, push the knife with a little force, and then gently retracted. This process takes about 15 minutes. 4. Then use the 1000grit grit side for fine grinding. This process takes about 10 minutes. 5. Use 2000grit side for fine grinding in 10~30 degree angle gently for 15 minutes. 6. Then use 5000grit side for mirror polishing for 10 minutes. 7. After sharpening the knife, clean the knife with wet cloth or water, then dry it. 8. Use a soft brush to clean the sharpening stone, then placed in a ventilated place out to dry. Attention: 1. Do not only use the middle of the sharpening stone, please make full use of the surface of the whetstone. 2. Do not use whetstone to sharpen serrated blades and ceramic knife. Specifications: Material: white corundum Color: Green Dimension: 7.09"(Long) x 2.36"(Width)x 1.18"(Thickness) Particle size: 400grit, 1000grit, 2000grit, 5000grit Weight: 1.5kg Packing list: 1 x Sharpening stone 400/1000 grit 1 x Sharpening Stone 2000/5000 grit 1 x Bamboo Base 1 x Knife Guide 2 x Rubber Holder
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