DeWALT DW8351 Flap Disc, 4-1/2 in Dia, 7/8 in Arbor, Coated, 40 Grit, Coarse, Zirconia Abrasive

Featuring heavy-duty zirconia grit, DeWALT-type 27 HP flap discs remove material 3X fast than fiber resin metal sanding discs. A premium abrasive cloth offers extreme durability, providing a life up to 15X long than fiber resin metal sanding discs. A Type 27 fiberglass backing delivers a grinding angle of 5 to 15 deg.