Professional Materials: Professional wool and foam pad polishing. Efficiently cut and polish the most difficult coatings and scratches. Can be used in drills or polishing machines. Adhesive backing pad makes it more easy and convenient to change pad. Strong adhesive,can disassembled repeatedly.Using Range: Suitable for coating waxing, polishing and glazing of various coating waxes, cleaning and improving brightness. It can also be used for fine polished backing design of car, cart and yacht, making it more convenient to change the mat.Large Size Buffing: 7in polishing area can greatly improve the efficiency of large area polishing. It is not only the best choice for cars and cart, but also for large vehicles and ships.High Quality: High quality buffing pads in 5 roughness, five colors represent five roughness, Hardness: Purple> Yellow> Orange> Black> Red, you can select to polish as needed. Can be used repeatedly.