... rail and ball screw,steady and durable.4Material of Brush HandlePolyethylene, polystyrene, return materials, wood5Material of FilamentsPP, ... hole)15mm-75mm,9Diameter of hole2mm-4mm10Colors of Brush FilamentsTwo color11Maximum Tufting Speed6 holes/second12AC motorItalian Brake ... Motor13Type&Brand of Driver/Motorstepper motor&driver , can adopt some brand motor&driver requested by users.14Adjust ...