Material: Cotton polishing wheel, when polishing the object, it will not damage the object or cause scratches. Practical function: Suitable for various surface oxidations, dirt, wood, plastic, ceramics, various mirrors. The polishing effect gives the object a new look. Compatibility: Compatible with a variety of rotary tools, such as electric drills, polishers and polishing agents, has a better polishing effect. Packaging and size: 25-pack. 3 mm polishing wheel mandrel. Usage: When in use, place the chuck of the polishing wheel in the rotary tool to polish the object at an appropriate speed. Features: Condition: Brand new Main material: Cotton Quantity: 25 pieces/lot Valve size: 3 mm Package included: 1 x 25 pcs polishing wheel Note: 1. During work, lint will come off. Use a mask when in use. 2. At low speeds, they are a good way to polish plastic. Make sure the speed is low, otherwise you can make the item melt.