- Wholesale - Closeout - 7" FLAP WHEEL W/HUB 80 GRIT 5/8" x 11NC - 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