DEWALT DW8218H 7-Inch by 5/8-Inch-11 Z40 T27 WB Flap Disc

From the Manufacturer Dewalt DW8218H 7-Inch x 5/8-Inch-11 Z40 T27 Wearable Backing Flap Disc is an extended performance accessory. This flap disc is 7-inches in diameter with a 5/8-inch-11 arbor and Z40 grit. Use this type 27 disc at a maximum of 8,700 Rpm.Features Backing automatically wears down with cloth to allow full use of cloth increasing life by 2x's Extended performance flap design lasts 2 times longer than std flap discs Premium zirconia cloth prodives agressive grinding action 50 percent faster than std flap discs Proprietary design provides removal rate of a grinding wheel with finish of a fiber resin disc Max Rpm of 8,700