General description Polishing and sanding discs designed for rotary tools, ideal for various polishing needs. This pack includes 80 discs in four different grits, providing a versatile solution for both metal and non-metal surfaces. Technical specifications Disc diameter: 25mm Size of the metal shaft: 3mm Grit types: 80 (brown), 150 (green), 240 (red), 300 (black) Quantity: 20 pieces per grit, 80 pieces total Compatibility and accessories Compatible with hand drills and drill presses Requires a 3mm collet Usage Suitable for polishing metals, jewelry, and non-metallic materials Effective for deburring rust and polishing surfaces in small areas High efficiency and low cost for daily use Other information Made of high-quality scouring pad for durability Good polishing effect