Keep you Mac Knives in the best condition with the Black Ceramic Honing Rod</br>Use the rod to refresh the edges</br>Hones only, Black ceramic is harder than both white ceramic and steel and does not rust,</br>Hand wash is recommended Not dishwasher safe</br>Made In Japan</br></br>Product Description</br></br>At 10.5" this honing rod polishes your knives smooth. It features a medium surface of approximately 2000 grit. The black ceramic is a new ceramic that is much durable than traditional white ceramic. The surface will realign edges quickly and work better on Japanese cutlery which tend to be harder. These rods are meant to hone a knives edge. Use it regularly at home to maintain a fine edge. Does not replace sharpening.</br><br/>http://www.amazon.com/gp/product/B001LJEDO8