... line rail and ball screw,steady and durable.4Material of Brush HandlePolyethylene, polystyrene, return materials, wood5Material of FilamentsPP,nylon,bristle ... the hole)15mm-75mm,9Diameter of hole2mm-4mm10Colors of Brush FilamentsTwo color11Maximum Tufting Speed6 holes/second12AC motorItalian Brake Motor13Type ... be used as a U-Disk,and it also can be connected with U-Disk.3Convenient to adjust the hole ...