Pricing mentioned is for EA. Requires a minimum buy of 1 piece. Resin Cones and Plugs, Type 16, 3 inch Diameter, 3 Inch Thick, 24 Grit, Aluminum Oxide; Hazmat=False; Features=Suitable for steel and other ferrous metals;Superior performance and durability;Used for grinding and finishing metals in Hard to reach areas; StandardPack=1EA; CountryOfOrigin=US; Abrasive Material=Aluminum Oxide; Applicable Materials=Ferrous Metal, Steel, Ferrous Metals, Tough Steel; Applications=Grinding; Arbor Diameter = 5/8 in; Arbor Thread - TPI or Pitch=5/8 in - 11; Body Material=Resin; Bond=Resin; Color=Gray; Diameter=3 in; Grit=24; Hardness Grade=R; Speed=12096 rpm, 12096 rpm [Max]; Thickness=3 in; Tool Shape=Type 16; Type=Resin Cone; Used With=Portable Grinders;