DEWALT DW4775 7-Inch Double Row Diamond Cup Grinding Wheel Blister<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>High Diamond concentration for long life and aggressive material removal</li><li>Large grinding segments with heat treated steel bodies</li><li>Arbor diameter 5/8 - 11"</li><li>Max RPM 8，600</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51AHOj6xHBL.jpg" noproxy>