7/8" Arbor

4-1/2" RIO Type 27 Zirconia Flap Discs on Fiberglass Backing, EZ36, 7/8" Arbor

4-1/2" RIO Type 27 Zirconia Flap Discs on Fiberglass Backing, EZ40, 7/8" Arbor

4-1/2" RIO Type 27 Zirconia Flap Discs on Fiberglass Backing, EZ60, 7/8" Arbor

4-1/2" RIO Type 27 Zirconia Flap Discs on Fiberglass Backing, EZ80, 7/8" Arbor