Whetstone Cutlery Two-Sided Whetstone Stone</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>2 sided rectangle stone block</li><li>Side A (darker green):  400grit for rough grinding， to return edges to their original shape.</li><li>Side B (lighter green):  1000grit is for fine finishing， smoothing and polishing cutting edges.</li><li>In addition， with these stones the worn material and the water form a slurry， which in conjunction with the stone， sharpens and polishes the blade.</li><li>Overall dimensions:  7 x 2.25 x 1.125 inches</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/41rwDU7LdLL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41WEH5DP%2BML.jpg' noproxy></br>