General description The 100pcs Sanding Discs set includes a variety of grit sizes, making it ideal for sanding, polishing, and rust removal. With 8 different grades of sandpaper, from coarse to fine, this set can meet almost all your polishing needs. Technical specifications Quantity: 100 pieces Size: 125 mm round sandpaper Grit sizes: 10 pieces each of 40, 60, 320, and 400; 15 pieces each of 80, 120, 180, and 240 Usage Suitable for sanding and polishing various materials including metal, wood, leather, plastic, stone, and glass. Commonly used in hardware mold, automotive painting, shipbuilding, carpentry, furniture, woodworking, handicrafts, and other industrial fields. Other information Made of high-quality aluminum oxide and high-strength resin for durability and anti-static properties. Features a durable Velcro fastener for quick installation and removal. Includes 8 vacuum holes to prevent clogging.