Complete Set:Comes with total of 120 pieces of 3 inch sanding disc 60 80 100 150 240 400 800 1200 2000 3000 5000 10000 grit (10 pieces of each grit), 1 air tool backing plate with 1/8“ and 1/4” shanks, 1 pad with two 1/4 “ round shank, 1 soft foam cushion, 1 wool pad, 1 wavy orange polishing pad and 1 flat yellow polishing pad Wet and Dry Sandpaper: 3-inch black sandpaper made of high-quality silicon carbide, can be used wet and dry, dry grinding is suitable for rapid removal of materials to improve work efficiency; wet grinding can effectively reduce the dust dispersed to protect the working environment, while reducing the grinding temperature to extend the service life of the sandpaper Dual Rotary Disk Design: The set includes one internal rotary disk and one external rotary disk, each disk is equipped with two rods, which is convenient for users to switch flexibly according to different tools and needs. The internal and external rotary discs are designed to adapt to a variety of sanding scenarios, providing greater operational flexibility and adaptability Multi-protection for safe sanding: Equipped with two cushion pads, two wool pads and two sponge flat pads to provide complete protection for the sanding process. The cushions reduce vibration and protect tools and materials, while the wool pads and sponge flat pads are suitable for wet sanding, absorbing moisture and preventing sliding, ensuring safe sanding and avoiding scratches on the surface Widely used: sandpaper for wood, stone, lacquer surface, mirror surface and other surface treatment, such as headlight polishing. Widely used in metal and non-metallic materials various complex surfaces of rust removal and random orbital sander. Just choose the right grit of sandpaper for your project. Polishing pads can be used with many rotary or random orbital tools Comes with total of 120 pieces of sandpaper at 60 80 100 150 240 400 800 1200 2000 3000 5000 10000 grit (10 pieces of each grit), 1 air tool backing plate with 1/8“ and 1/4” shanks, 1 pad with two 1/4 “ round shank, 1 soft foam cushion, 1 wool pad, 1 wavy orange polishing pad and 1 flat yellow polishing pad