Double-sided water stone for sharpening kitchen knives?? made in Japan</br>Coarse 250 grit side for removing knicks?? fine 1000 grit for finishing</br>Water stone is preferred method for sharpening as it provides absolute control</br>Japanese whetstones provide a finer edge</br>Unique bonding process during manufacturing</br></br>Product Description</br></br>Double sided water stone. Coarse 250 grit for removing knicks and fine 1000 grit for finishing. Proper maintenance of a knife is very important. A sharp?? well honed edge is essential for a clean cut. There are a number of ways to sharpen a knife?? but water stones are the preferred method?? because the user has absolute control during the sharpening process. Japanese whetstones in particular are said to produce a finer edge than North American stones due to the unique bonding process of the stone during the manufacturing process.</br><br/>http://www.amazon.com/gp/product/B00200L90I