Winco SS-821 Combination Sharpening Stone， 8-Inch by 2-Inch by 1-Inch<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Top grade carbonization silicon</li><li>Fine/medium grain</li><li>Combination Sharpening Stone</li><li>Good quality product</li><li>Excellent for a variety of knives and tools</li></ul></div><img src="http://ecx.images-amazon.com/images/I/31wxTSQzj-L.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/31G%2Bd3J8nJL.jpg" noproxy>