【Premium Quality Material】The SHAN ZU professional whetstone, made of high-quality white corundum material, offers exceptional durability and long-lasting sharpening performance. It is easy to use with water instead of expensive oil, making it an ideal choice for both novice and professional chefs, providing excellent value for money 【Complete Whetstone Set】The sharpening stone has #1000 grit for coarse sharpening and #6000 grit for fine honing and polishing. It includes a non-slip bamboo base, a silicon base for holding the stone, as well as a knife sharpening angle guide, and an instruction manual 【Size and Usage】The knife sharpener measures 180x60x27mm and should be soaked in water for about 5 minutes before use. It is best to maintain a grinding angle of 15-20 degrees throughout the entire sharpening process, which can position your blade at the ideal angle and protect your fingers during sharpening 【Multi-Function】This professional-grade knife sharpener stone is not limited to kitchen and chef knives but also offers exceptional versatility for sharpening fillet knives, sushi knives, pruners, straight razor blades, scissors, axes, hunting knives, and more 【Attentive Support】The whetstone has undergone professional testing. Should you have any inquiries regarding the product, please do not hesitate to contact us