Ubelly Whetstone Knife Sharpening StoneDual Sided 400600 Grit Water StoneSharpener?Rectangle Sanding Stone Block Perfect for Sharpening Polishing Knives Tools Bits Chisels

Product Description: How to use Improve Cutting Experience Effectiveness & Safety By keeping your Knives & Tools Sharp by this simple 5 steps 1. Immerse whetstone in water and soak for 5-10 min (until bubbles no longer appear) 2. Using the #400-grit side to smoothen and prepare the blade, slide the blade edge along the stone at a 20 degree angle applying light pressure. 3. Alternate the blade sides each stroke or every 3 strokes Ensure the top surface remains wet by sprinkle more water on the top of the stone 4. Once you see dull layer got peeled switch to #600-grit for finish honing 5.Wash the knife with hot soapy water to remove debris and rinse the whetstone to remove any residue. Allow Whetstone to dry Specifications: Material: White Corundum Color: Brown+Gray Dimension: 7.87"(Long) x 1.97"(Width)x 1"(Thickness) Weight:23.6oz. Particle size: 400grit (Blue Side), 600grit (White Side) Warm tips: 1. Please make full use of the surface not just the middle part, or use flat honing stones to fix it. 2. Keep serrated