Standard pack = 1 piece(s). Type = Tube Brush ; Brush Diameter = 0.135 Inch ; Brush Length = 1 Inch ; Filament/Wire Diameter = 0.012 Inch ; Fill Material = Nylon/Silicate ; Handle Type = Single Stem ; Overall Length = 4 Inch ; Spiral Type = Single ; Stem Diameter = 0.075 Inch ; Trim Length = 1 Inch ; Type = Micro Abrasive ; Wire Material = Silicate ;