Polishing Brush - Four different colors and sizes, 10 pieces each, different sizes to give you more choices for use. High-quality materials - Made of high-quality materials, more convenient to use, better polishing effect. Easy to use - The polishing wheel is suitable for removing surface oxidation, rust, tar and all kinds of dirt, helping you polish different objects and facilitating the polishing process. High efficiency and low cost - The polishing brush is an efficient metal polishing tool, small in size, high in performance and low in cost. Wide range of applications - Suitable for cleaning, grinding, fine polishing, sanding and polishing various metal surfaces: metal, jewelry, aluminum, wood, glass, widely used in microelectronic equipment, construction, maintenance, manufacturing and other industries. Specifications: Material: Scouring Pad Color: Brown + Green + Red + Gray Type: Brown - 80grit, Green - 150grit, Red - 240grit, Gray - 300grit Quantity: 40pcs Shank Diameter: 3mm Shank Length: 35mm Brush Diameter: 25mm Total Length: 45mm Sanding Head Thickness: 10mm Package List: 40 * Polishing Wheels With good wear resistance, durable and practical.