THE 8″ WHITE DOMET FLANNEL 40 PLY BUFFING WHEEL IS A WIDE, VERY HIGH LUSTER BUFFING WHEEL. THE RECOMMENDED RPM LIMITS ARE 2200 RPMS. SOME POLISHERS LIKE TO USE THIS (OR THE AIRWAY WHITE DOMET FLANNEL) AFTER APPLYING A METAL POLISH FOR A FINAL STEP. (8″ DIAMETER, 5/8″ ARBOR HOLE) THIS IS NOT AN AIRWAY BUFFING WHEEL (NO METAL CENTERPIECE). Warning: This product can expose you to chemicals which is [are] known to the State of California to cause cancer and birth defects or other reproductive harm.