Concord Blades CBGW00875SP 7/8 Inch Supreme Wet Stone Diamond Core Bit<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Crown Segment， 10 mm Segment Height， 5/8"-11</li><li>Can be used Wet Only</li><li>Cleanly Cuts Granite， Marble， Porcelain， Artificialand Natural Stoneand More</li><li>Max RPM 12，000-use wet only</li><li>2-1/2-inch tube length</li></ul></div><img src="http://ecx.images-amazon.com/images/I/312JlmutuGL.jpg" noproxy>