ITEM NAME:Dust Cover Collector Brush 80Mm Diameter Easy Clearing For Cnc Spindle Moto F4X7 Dust Cover Collector Brush 80Mm Diameter Easy Clearing For Cnc Spindle Moto F4X7 Be stable by screws. Can change the brush easily. colour:White + gold Material:Metal + nylon size:Main shaft diameter: 80mm Suction port diameter: 100 mm Package Contents: 1*dust cover collector