4-1/2" x 5/8"-11, Type 29, Flap Disc, Zirconia Grit Enables 3 Times Faster Material Removal Than Fiber Resin Metal Sanding Discs, Premium Abrasive Cloth Provides Up To 15 Times Longer Life Than Fiber Resin Metal Sanding Discs, Type 29 Fiberglass Backing Provides Grinding Angle Of 20-25 Degree.
