Double-sided whetstone

These premium quality whetstones require no oil, and come with a flattening stone, a blade angle guide, a no slip bamboo sharpening base.   How to use: 1. Fully immerse the whetstone in water and soak until bubbles no longer appear (approx. 5-10 minutes). 2. Place the waterstone together with the rubber base on a steady surface.3. Use lower grit side of the knife sharpener for rough grinding. Move the blade back and forth at an angle of 10-30 degrees, applying gentle pressure. Starting at the tip of the blade, continue through the middle section to finish at the base. Continue to apply water while sharpening. Repeat previous step on opposite side of blade.4. Turn over whetstone. Repeat sharpening process on higher grit side for fine grinding.5. Clean sharpening stone set and place in well-ventilated area to dry Specifications: Size: 180*60*30mm Net weight: 620g Type: 1000/4000grit，2000/5000grit，3000/8000grit Color: Random Note: It is very important that the stones and bamboo base be