Toolocity ABCCD0214P  TOC Bloc Dry Diamond Core Bit for Concrete 5/8-11 Thread， 2-1/4-Inch</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>9" tube length， 10" overall length</li><li>7.5mm segment height.</li><li>Laser welded turbo style diamond segments</li><li>Hard bond drilling concrete and masonary blocks， bricks with long life</li><li>Can be used dry or wet</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/41rDv%2BknkxL.jpg' noproxy></br>