United Abrasives/SAIT 20146 Type 27 4-1/2-Inch by 1/4-Inch by 5/8/-11-Inch Attacker Depressed Center Wheel， 10-Pack</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>High performance， ceramic aluminum oxide grain</li><li>Very uniform， high density grain structure is extremely durable</li><li>Extremely fast stock removal</li><li>1300 - 4000 /RPM</li><li>1-Inch Arbor</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/5198wIJTaaL.jpg' noproxy></br>