The set contains 22 polishing sponges in 5 colors (3 inches), 2 M10 drill adapters, 2 suction cups and 2 wool pads. Sponge Polishing Pad - 3 Inch Polishing Pads, Package Included Sponge Pads, Wool Pad and Threaded Drill Adapter that meet many polishing needs Complete and Professional Polishing Kit - There are 5 kinds of Soft and Fine Workmanship - Super water absorption without scratches as car polishing pads made of high density sponge and wool pad, soft and delicate, fine porosity with super elastic, ensure better adsorption to the surface of the polishing object, perfect for quick repair scratches Premium Drill Adapter - Equipped with a standard drill adapter to connect the polisher, suitable for M10 drill bits and used for pneumatic or electric polisher, Velcro design on the back of the sponge pad, use it more conveniently, you can change the pad in seconds Widely Application - Used for all kinds of paints of waxing coat, detail polishing and sealing glaze, to clean and improve their lightness. Used for auto car detail polishing. Washable and reusable. Makes the polishing and buffing process much easier. Can be used with a variety of waxing water to remove surface scratches Product Description Material: Foam and wool + metal drill adapter Diameter: 3 inches (80 mm) Sponge thickness: 2.5 -3 cm / 0.98 "-1.2" Uses: 1. Connect the conversion rod to the hand drill. 2. Connect the suction cup to the handle. 3. Apply wool balls to the piglets. 4. Wipe the suction cup with a sponge. Package Contents: 8 x Flat Sponge 2 x Black Flat Sponge 2 x Orange Flat Sponge 2 x White Flat Sponge 2 x Yellow Flat Sponge 2 x Wool Pillow 2 Boring Bar Connection 2 Suction Cups Suggestions: Before use, all polishing pads must be cleaned. Please run for 2 minutes with the connecting pad before use. Clean the polishing machine immediately after use and dry it in a cool place. Note: Due to manual measurement, please note the error rate of 0-1 inch. Thank you for your understanding.becomeveryrich