Features: 1. Superior material - made from aluminium oxide abrasive, durable and anti-static, useful for corner cleaning and polishing, such as polished metal, wood, jade and so on 2.Soft foam buffing pad - the sanding discs kit include 1pc soft foam buffing pad, perfect for reducing shake while using, please ensure that the soft foam buffing pad has connected with the sanding discs and the backing pad tightly before using 3. Hook and loop back - the diameter of the hook and loop sanding pad back is M6, suitable for most kinds of rotary tools, such as die grinders, air grinders, electric drills, etc Specification: Type: Sanding Paper Diameter: 1Inch(25.4mm) 2Inch(50mm) 3Inch(75mm) Shank: 1/8''(3.175mm) Sandpaper Backer Plate: M6 Application: Apply to metal and non-metal, wood, rubber, leather, plastic, stone, glass and other materials grinding, polishing and so on Note Please allow 1-3mm error due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Including: 1Set Sandpaper Set