Diamond sharpening stone for kitchen knives (400 grit)

1. Excellent sharpening performance. 2. Double-sided sharpening stone design: This diamond sharpening stone can be used with a 400 grit. 3. Professional design: The diamond sharpening stone features a silicone gel base, making it non-slip and safe to use. 4. Oval hole design to collect and retain metal shavings. 5. Ultra-fine sharpening stone for perfect knife sharpening and polishing.