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
Forney 71667 Sanding Disc, 4-1/2 Inch By 7/8 in Arbor, Coated, 24 Grit, Extra Coarse, Aluminum Oxide Abrasive: 4 & 4-1/2 Inch Angle Grinder Discs (032277716674-2)
4-1/2" x .045" x 7/8" Aluminum Grinding Wheel Type 27 Disc