Perfect for Fine Sharpening and Polishing The Naniwa Basic Stone 1000/3000 is a double-sided sharpening stone from renowned Japanese specialist Naniwa. With a 1000 grit (red) for medium-fine sharpening and a 3000 grit (yellow) for polishing, this stone is ideal for maintaining and refining an already sharp edge. For very blunt knives, a coarser stone like the Basic Stone 502/510 is recommended. High-Quality Construction Made with aluminium oxide, these soft stones wear slowly, exposing fresh abrasive grains for consistent sharpening. Strict quality control ensures superior performance, with production overseen by Japanese specialists in Vietnam. Easy to Use Soak the stone in water for a few minutes before use to ensure optimal sharpening. The stone's thick grinding layer ensures it will last for many years. Why Choose Naniwa Basic Stone 1000/3000 1000 Grit: Perfect for sharpening. 3000 Grit: Ideal for polishing. Durable: Slow-wearing with a thick grinding layer. Efficient: Consistently exposes fresh abrasive grains. High-Quality: Ensured by strict Japanese quality control. Ensure proper storage to prevent cracks and extend the life of your stone. In the Box 1 x Naniwa Basic Sharpening Stone - Grit: 1000/3000