Pricing mentioned is for EA. Requires a minimum buy of 1 piece. Resin Cones and Plugs, Type 16, 1 1/2 inch Diameter, 3 Inch Thick, 3/8 Arbor, 24 Grit; 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 = 3/8 in; Arbor Thread - TPI or Pitch=3/8 in - 24; Body Material=Resin; Bond=Resin; Color=Gray; Diameter=1 1/2 in; Grit=24; Hardness Grade=R; Speed=24192 rpm, 24192 rpm [Max]; Thickness=3 in; Tool Shape=Type 16; Type=Resin Cone; Used With=Portable Grinders;