Features - Knife sharpener stone kitchen tools -Coarse grinding and fine grinding are combined, 400 coarse grit is to sharp and 1000 fine grit is to hone and polish. -It's easy to operate, just place the knife on the whetstone and move it back and forth several times. -You will receive 2 pieces of diamond sharpening stone with non-slip base. -The whetstone is easy to use and doesn't require labor, so it is very suitable for beginners. Specification Item Type: knife sharpener stone kit Dimension: 150*63*1mm/5.91*2.48*0.04in Weight: 75g Application: all kinds of kitchen knives and outdoor tools Material: diamond material Design: unique honeycomb design Quantity: 2 pieces of knife sharpener stones Package Includes: 1 * 400 grit diamond sharpening stone 1 * 1000 grit diamond sharpening stone Warming Tips 1. Manual measurement, please allow slight errors on size. 2. For better results, please use the sharpener stone with water or honing oil. 3. Please make full use of the entire surface of the whetstone instead of just the middle.