Amazon.com: MIDO PROFESSIONAL ABRASIVE Flap Disc 4 1/2 inch 20 Pack for Angle Grinder Sanding Disc Assorted Grit 40 60 80 120 Aluminum Oxide Sanding Grinding Wheels 4.5 x 7/8 Inch Flat Type #27 : Industrial & Scientific
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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