DIABLO 4-1/2 in. Metal Cut Off Disc Thin Kerf 15-Pack Plus a 4-1/2 in. Steel Demon Flap Disc 80 Grit Type 29 (16-Pack) DBD045115DCX80G - The Home Depot
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7" x 7/8" Fiber Resin Sanding Disc Aluminum Oxide 16 Grit, LTS, 25pk: Amazon.com: Tools & Home Improvement
5PC 4-1/2" x 7/8" Tyrolit Abrasives ZEC Semi-Flexible, 16-Grit Silicon - California Tools And Equipment
Virginia Abrasives 007-16220 16 By 2 Inch Floor Sanding Disc 20 Grit Extra Coarse: Floor Sanding Discs 13 to 17 Inch (809916003927-2)
Amazon.com: Hot Max 26130 5-Inch 16 Grit Abrasive Sanding Disc with 7/8-Inch Hole, 3-Pack : Everything Else