4-1/2" X 7/8" 36 GRIT ZIRCONIA FLAP DISC WHEEL

Features: Zirconia grit enables 3X faster material removal than fiber resin metal sanding discs | Premium abrasive cloth provides up to 15 X longer life than fiber resin metal sanding discs | Type 29 fiberglass backing provides optimal grinding angle of 10-25 degrees, allows full use of the disc, and won't mar the work piece