Pricing mentioned is for EA. Requires a minimum buy of 1 piece. Scotch-Brite EXL Unitized Deburring Wheel, 4 X 1/4 X 1/4, Fine, Silicon Carbide; Hazmat=False; Features=Cleaner than buffs and compounds;Cool running allows more pressure to be applied;Eliminates danger of loose-flying Wires; StandardPack=1EA; CountryOfOrigin=US; Abrasive Material=Silicon Carbide; Applicable Materials=Composites, Metals, Plastics; Applications=Deburring, Polishing; Arbor Diameter = 1/4 in; Color=Gray; Color Code=Gray; Diameter=4 in; Mounting=Arbor Hole; Roughness Grade=Fine; Speed=8500 rpm [Max];