... CNC automatic cotroll, max dia: 48mm floor brush making Machine Description ItemModelDELTA HAOSAITE1NO. of ... and ball screw,steady and durable.4Material of Brush HandlePolyethylene, polystyrene, return materials, wood5Material of ... hole)15mm-75mm9Diameter of hole2mm-4mm10Colors of Brush FilamentsTwo color11Maximum Tufting Speed6 holes/second.12AC ... very easy to replaceable/// floor brush making machine