ITEM NAME:Flexible Nylon Strip Brush for Brush Vacuum Cleaner Engraving Machine Dust Cover Description: For CNC Router Spindle Motor. Vacuum accessory, Engraving machine Brush. Specification: Material: nylon Color: Black Width:70mm Length: 1m Package Includes: 1pc*Dust Cover Brush Note: 1. Due to the light and screen difference, the item's color may be slightly different from the pictures. 2. Please allow 1-2 cm differences due to manual measurement..Vacuum accessory, Engraving machine Brush. 1pc Dust Cover Brush. Material: nylon. Due to the light and screen difference, the item's color may be slightly different from the pictures. Anyway we will try our best to avoid this kind of thing.