General description This 100pcs sanding paper set is perfect for DIY grinding and polishing, suitable for wood, metal, and mold polishing purposes. These high-quality sanding discs are designed for power tools, providing excellent wear resistance and versatility for various materials including metal, plastic, aluminum, and wood. Technical specifications Diameter: 25mm / 1 inch Material: Aluminum Oxide + Plastic Shank Diameter: 1/8 inch / 3mm Connecting Rod Length: 45mm / 1.77 inch Operation Speed: 12000rpm Total Height: 60mm / 2.36 inch Sandpaper Grits: 100#, 180#, 240#, 1500#, 3000# (Total 5 sizes, each size 20pcs) Compatibility and accessories Includes 100 sanding papers (100-3000 grits) 1 loop sanding pad (25mm / 1 inch) 1 polishing rod Usage Ideal for polishing artificial stone, furniture, wood products, metal, and automobiles Suitable for smoothing inside and outside curved edges Perfect for surface preparation Compatible with most electric grinders