DIABLO 4-1/2 in. 60-Grit Steel Demon Grinding and Polishing Flap Disc with Type 29 Conical Design DCX045060N01F - The Home Depot
amoolo 4.5 Inch Flap Discs, 10PCS-80 Grit Angle Grinder Sanding Discs, High Density Abrasive Grinding Wheels Type 29 for Metal/Wood Grinding (7/8 inch Arbor Size) - Amazon.com
4.5" x 60 Grit x 7/8" Type 29 Flap Disc Zirconia Angle Grinder Sanding Disc