Premium Material: 3 inch sanding discs is made of high quality latex paper and silicon carbide that is , anti-static, good flexibility, wear resisting and prevent clogging.Uniform grit,Very little dust.Hook & Loop sanding pad :Compatible with most rotary tools,such as die grinders, air grinders, electric drills, etc. Wet dry sanding disc can also be used for hand polished. About Buffering Pads: buffering pad that can reduce vibration when used.Can also extend service life of sanding pad.Multiple Grit Sandpaper Set: Different grades sandpaper from rough to fine grits to meet your different polishing need .Suitable for most kinds of rotary tools, such as die grinders, air grinders, electric drills, etc.Wet and Dry Sandpaper: Wetting use is more effective because it will wash away the particles in the grinding to reduce clogging. Can be used for polishing, such as metal, wood,plastic, aluminium , artificial stone, wood furniture ,mold processing, precision equipment polishing, automobile polishing, jade jewelry polishing.Colour: picture colorMaterial: aluminaSize: 75mmPackage Contents:10 * 80 grit sandpaper10 * 180 grit sandpaper10 * 240 grit sandpaper10 * 320 grit sandpaper10 * 400 grit sandpaper10 * 600 grit sandpaper10 * 800 grit sandpaper10 * 1000 grit sandpaper10 * 1500 grit sandpaper10 * 2000 grit sandpaper10 * 3000 grit sandpaper1 * 3 inch M6 shank backing pad1 * 3 inch soft buffering padOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.