The DEWALT DWAFV84560 FLEXVOLT 4-1/2" x 7/8" T29 60G Flap Discs are engineered to maximize runtime. These discs feature high performance ceramic grains that stay sharp for fast, efficient cuts, along with high density grain concentration for fast action and low heat build-up. 7/8" Arbor. For use in cordless and corded tools. DEWALT FLEXVOLT high efficiency accessories are engineered to maximize runtime. Includes (1) Flap Disc.