General description Package includes 200 sanding disc pads in 10 different grits, with 20 pieces for each grit: 80, 180, 240, 320, 400, 600, 800, 1000, 2000, and 3000. This practical set is designed to meet various polishing needs, making it ideal for grinding, milling, and engraving. Technical specifications Diameter: 50 mm Material: Aluminum oxide abrasive Grits included: 80, 180, 240, 320, 400, 600, 800, 1000, 2000, 3000 Quantity: 200 pieces (20 pieces per grit) Compatibility and accessories Includes 1 piece of 1/4 inch shank holder pad Includes 1 piece of soft foam buffer pad Compatible with most rotary tools, such as die grinders, air grinders, and electric drills Installation Ensure the soft foam buffer pad is properly connected to the sanding discs and backing pad Clean dust and replace the old sanding pad before use Usage Ideal for cleaning and polishing corners of materials like metal, wood, and jade Designed to reduce shock during use with the soft foam buffer pad