Features [HIGH QUALITY MATERIALS]: This brush polishing wheel is made of rubber and emery. These brush discs have good flexibility and strength, as well as wear resistances and durability. [VARIABLE USE]: Our 3 inch brush disc, grit 50, 80 for carbide polishing, grit 120 for aluminum polishing. [Correct Size]: Rubber sanding brush, 1/4 inch shank, suitable for most drills. [EASY TO USE]: Easy to install and use, convenient and fast. [Wide Applications]: For fine metal processing, cleaning, polishing, grinding, deburring, removing rusting and scratches. Specifications: Item Type: Brush Disc Material: Sandpaper + Rubber Outer Diameter: 75mm / 3 Inch Abrasive: Sandpaper Scope of Use: Electric Drill Color and Grit: Green 50#, Yellow 80#, White 120# (Optional) Packing list: 1 x brush disc br/>1 x connecting rod Note: Please note this Note: The new type and old type of this product will be sent randomly, please make sure you do not mind before ordering. Package List 1 x Bristle Disc 1 x Connecting Rod