ELEVATE YOUR KNIFE CARE: Our kit includes a 400/1000 grit water stone for blunt knives, a 3000/8000 grit water stone for precise edge refinement, a secure Non-slip Bamboo Board for steady sharpening, and an Angle Guider for consistent angles. Perfect your sharpening routine with ease. • PREMIUM SHARPENING PERFORMANCE: Elevate your knife sharpening game with our wet stone made from crystallized white corundum. Withstanding 1700°C temperatures, it's expertly refined through ball milling and flotation, ensuring exceptional self-sharpening, robust toughness, and rapid grinding. Enhanced safety comes from the silicone anti-skid feature. Perfect for precise, efficient, and secure sharpening. • FOUR-SIDED SHARPENING STONE: Elevate your knife maintenance with our versatile whetstone featuring four distinct grit surfaces. From 400 grit for serrated blades, 1000 grit for routine grinding, and 3000 grit for refined sharpening, to 8000 grit for precision honing (ideal for delicate fruit and vegetable knives), this stone enhances your sharpening process. Perfect your blades with ease and precision. • DIVERSE VERSATILITY: Our Kitchen Sharpening Stones, expertly crafted from White Corundum, are your essential tools for precision sharpening. This comprehensive whetstone knife sharpening set accommodates an extensive array of blades.