Top for removing scale and rust: Our cleaning disc can easily remove rust, paint, scale, and oxide without damaging the surface of the object. The abrasive disc can perfectly polish the metal. Compared with the fan-shaped disc, our products are more wear-resistant and softer, which can effectively protect the metal from damage. Superb material: The abrasive disc is made of a very strong and wear-resistant fiber net as the base material and is made by combining resin elastomer and high-quality diamond in a special process. When polishing at high speed, the sand does not fall off. Therefore, it is sturdy and durable and has a very good price-performance ratio. Compatible with angle grinders: CSD disc diameter 125 mm (5 inches), thickness 15 mm, aperture 22 mm (0.86 inches), maximum speed 80. Grinder disc it is convenient to use and easy to install.