Standard Pack = 1 piece(s). Color = Gray ; Converted Form = Backup Pads, Disc ; Density Rating = Medium ; Diameter(Inch) = 5 ; Diameter (Metric) = 127 ; Form Type = Ribbed ; Harmonizing Code = 8467990190 ; Max RPM = 12000 ; Product Form = Backup Pad ; Type = Retainer Nut ; 3M Stock Number = 7000120516 ;