Standard Pack = 1 piece(s). Applications = Blending,Deburring ; Center Hole Diameter = 0.25 ; Center Hole Diameter (Metric) = 6.35 ; Converted Form = Wheel ; Density = 8 ; Diameter(Inch) = 3 ; Diameter (Metric) = 76.2 ; Form Type = Unitized ; Grade = CRS ; Max RPM = 15100 ; Mineral Type = Precision Shaped Ceramic Grain ; Product Form = Wheel ; Thickness = 0.5 ; Thickness (Metric) = 12.7 ; 3M Stock Number = 7100105530 ;