The Lake Country 6" Rotary Backing Plate is built with Grip Easy™ molded urethane for minimal heat transfer and superior performance. It has a 5/8" arbor opening and will work with rotary buffers including: Flex PE-14-2-150, Dewalt DW849, DeWalt DWP849X, Makita 9227, Makita 9237, and many more.