Toolocity GSB0120G 4-Inch Green Grinding Stone 120 Grit with 5/8-11 Thread</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Size: 4"x2"</li><li>5/8-11 thread to be used with grinders</li><li>Maximum speed 9070 RPM</li><li>Beveled edges on top and bottom</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/51BS3InPEVL.jpg' noproxy></br>