Sanding Disc Set: 125mm Sanding Discs Sanding Discs.grit: 40. Easy to Use: The sanding pads have a durable backing, sanding discs for quick installation, with 8 holes for dust extraction, anti-clogging, strong and durable, easy to install and remove. Universal Fit: The 125mm diameter sanding disc is suitable for various types of random orbital sanders. FEIHU 125mm Sandpaper: Made of high-quality aluminum oxide and high-strength resin to make the sandpaper more durable and the anti-clogging effect is better. Wide Application: The disc sandpaper is useful for sanding, polishing and rust removal on metal, non-metal, wood, rubber, leather, plastic, stone, glass and other materials. It meets almost all your polishing needs.