[3000/8000 KNIFE GRINDING] Complete kit comes with premium double sided sharpening stone ( 3000/ 8000), non-slip rubber base, non-slip bamboo base, instruction guide knife sharpening angle. [HIGH QUALITY MATERIALS] DONGRUI whetstone is made of premium white corundum. It has excellent self-sharpening characteristics. To ensure the quality, it goes through 17 processes and 3 inspections. [EASY TO USE] First, soak the whetstone for 10-15 minutes. So that the whetstone kit is extremely user-friendly. Knife sharpening stone uses water for sharpening and cleaning. [PERFECT GIFT IDEA] Suitable for almost all types of knives, straight razors, precision tools, planing tools and scissors, except serrated blades and ceramic knives. It is a perfect gift for your family and friends. Number of s:1 pcs