Amazon.com: LISHINE 20 Pack 4-1/2 Inch Flap Disc 60 Grit Angle Grinder Sanding Disc 4.5 Inch Grinding Wheels and Grinder Flap Disc Abrasives Flap Sanding Wheels Type #27 (4-1/2" x 7/8") : Industrial & Scientific
amoolo 4 1/2 Inch Flap Disc, 10PCS-60 Grit Angle Grinder Sanding Discs, High Density Abrasive Grinding Wheels Type 29 for Metal/Wood Grinding (7/8 inch Arbor Size) - Amazon.com