Pricing mentioned is for EA. Requires a minimum buy of 1 piece. ScotchBrite SE Surface Conditioning Discs, 4", 13000 RPM, Aluminum Oxide, Brown; Hazmat=False; Features=A Coarse, tough, aggressive non-woven Disc;Contains a backing that mounts to hook and loop pads; StandardPack=1EA/DC; CountryOfOrigin=US; Abrasive Material=Aluminum Oxide; Abrasive Trade Name=Scotch-Brite