•Made with superior silicon carbide, the 220 grit is suitable for any daily sharpening, such as repairing the knives with big cutting edges.
•No oil needed, just put the stone into water for 10-15 minutes before using and they are ready to use. You can always adding water on it while sharpening, with water the lubricating effect of grinding will be great and helps you to save strength
•Knife sharpener stone is highly durable & long-lasting. The sharpener can sharpen kitchen knives.
•We understand the importance of safety when sharpening tools, your purchase comes with a ABS base for holding the stone firmly in place.