Pricing mentioned is for EA. Requires a minimum buy of 1 piece. Diameter=3 in; Arbor Diameter = 3/8 in; Speed=18100 rpm [Max]; Abrasive Material=Aluminum Oxide; Roughness Grade=Medium; Mounting=Arbor Hole; Applications=Deburring, Polishing; Applicable Materials=Composites, Metals, Plastics; Color Code=Tan; Color=Tan;