Features: Nice gift choice: The sanding flap wheels are practical and useful, can serve as ideal gifts to send to your family members, friends, relatives and more, they will feel your thoughtfulness. More apply places: The abrasive wheels discs can be widely applied for rust, paint, ferrous metals, stainless steel, wood and plastics, as well as any other surfaces that require polishing. Specifications: Material: aluminum oxideColor: blueSize: 4.5 inch diameter, 7/8 Inch arborPackage includes: 80 x Grinding discsNotes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays.