Toolocity BK0040C 4-Inch Convex Back Holder 5/8-11 Thread</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>5/8-11 thread fits most polishers and grinders.</li><li>Velcro face will accept JX bowl pads</li><li>Maximum Speed 4000 RPM</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/31kyGVnXk%2BL.jpg' noproxy></br>