4 Way Diamond Knife Sharpener Hone Sharpening Stone New<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Grits: 600 (fine)， 400 (medium)， 300 (coarse) and 200 (extra coarse)</li></ul></div><img src="http://ecx.images-amazon.com/images/I/41nsmrIdMGL.jpg" noproxy>