General description The Sanding Discs Sandpaper set includes 50 pieces of 125mm perforated sanding discs with a grit of 40, designed for use with random orbital sanders. These self-gripping discs feature 8 holes for effective dust extraction and are ideal for various sanding and polishing tasks. Technical specifications Diameter: 125 mm Grit: 40 Quantity: 50 pieces Material: High-quality aluminum oxide with high-strength resin Compatibility and accessories Compatible with various types of random orbital sanders Usage Suitable for sanding, polishing, and rust removal on metal, non-metal, wood, rubber, leather, plastic, stone, glass, and other materials Meets a wide range of polishing needs