Ideal for sanding and polishing wood, rubber, leather, plastic, stone, glass, and other materials. Widely used in the grinding and polishing of metal and non-metallic materials with complex surface rust. 40-60 grit for coarse sanding of rough surfaces, 80-120 grit for surface smoothing and light sanding, 180-320 grit for final fine sanding. Suitable for derusting and polishing in industries such as shipbuilding, metallurgy, furniture, stainless steel, and automotive manufacturing. Item Name: Sandpaper Quantity: 50/100 Pieces Material: Alumina Grit Options: 40, 60, 80, 100, 120, 150, 180, 240, 320 Applications: Hardware, Electronics, Automobile, Mobile Phone, Glass, Furniture, Ceramic, Ship Features: Durable, Wear Resistant, Multi-purpose Size: 140mm x 90mm / 5.91" x 3.54" (Approx.) Note: Due to differences in lighting and screen settings, the item color may vary slightly from the images. Slight dimensional variations may occur due to manual measurement. Package Includes: 50/100 x Sandpaper