Standard pack = 1 piece(s). Type = End Brush ; Attachment Type = Unthreaded Stem ; Diameter = 1 Inch ; Fill Diameter = 0.020 Inch ; Fill Material = Steel ; Industry = Manufacturing ; Material Application = Steel ; Maximum RPM = 25000 ; Product Type = Crimped Wire End - Circular Flared ; Stem Diameter = 1/4 Inch ; Stem Length = 3/4 Inch ;