General description The Brush Vacuum Cleaner Engraving Machine Dust Collector Cover is designed for CNC routers and milling machines with a spindle diameter of 80mm (3.15 inches). This efficient tool helps to quickly remove sawdust and dust, keeping your workbench clean and tidy. Made from high-quality nylon, it offers stable performance and is suitable for various carving machines and woodworking equipment. Technical specifications Spindle diameter: 80mm (3.15 inches) Vacuum port diameter: 37mm (1.45 inches) Material: Metal + Plastic Color: Black Measurement allowed error: +/- 1-3cm Compatibility and accessories Compatible with 3018pro, 3018prover, and 3018-m models Package Contents: 1 x CNC spindle brush Installation Easy to assemble and install Usage Flexible for daily use and maintenance Brush can be disassembled and re-glued with new bristles when worn out Other information Note: Light and different displays may cause the color of the item in the picture to differ slightly from