The brush is made of thick nylon material, ensuring durability for long-term use. The quality CNC vertical vacuum cleaner brush provides high strength and stability for better work results, ensuring resistance against easy breakage. Brush height: 20mm; Total height: 100mm Applications: The CNC vacuum cleaner brush is installed on a double-door dust shoe, suitable for various models of CNC router spindle motors. How to Use: After confirming the size of the dust shoe, attach the brush to it like a dust shoe skirt. Material: Nylon. Thickness: 5mm. Quantity: 1pc. Features: For CNC router spindle motor. Vacuum cleaner accessory, engraving machine brush. How to Use: 1. Apply versatile glue to the dust cover and brush, wait for it to dry. 2. Assemble them, wait 2-3 hours, and it will be ready. Package Contents: 1 x Vacuum Cleaner Engraving Machine Dust Cover Note: All data is measured manually, please allow 1-3 cm error. Due to differences in light and screen, there may be some color differences; please refer to the actual item received.