[Sanding discs]25 hook and loop P120 sanding discs, you can choose different grit sand disc according to your needs [Perfect size]: 225mm in diameter, suitable for precision sanding discs for long neck sanders, dry clinic grinders and grinding giraffes. [Good material]: High quality alumina sanding discs, made of alumina abrasive, with special heat treatment, have excellent polishing, sharpness and wear resistance. Durable and anti-static, good choice for sanding and polishing. [Easy to use]: Hook and loop, easy and quick to paste, strong and durable, does not fall off when installed in use, easy to install and remove. [Wide Application] Apply for sanding putties, primers, fillers, paint, metals, wood, thermosetting plastics, plastics, artificial stones Product 25 pieces 225mm velcro grinding discs 10 holes The 225mm Velcro 9 inch sandpaper is very resistant and practical, ideal for sanding drywall sanders, long neck sanders, sanding giraffes Quantity 25 pieces Perforation: 10 holes Size225mm Grain: 40/60/80/100/120/150/180/240/320/400 MatrielAlumine Sandpaper 225mm Velcro 10 holes for drywall sanders, wall sanders, long neck sanders , drywall sanders Advice on the choice of grit: 40 - 80 Grit: coarse grit, suitable for intensive sanding 120 - 180 Grit: medium grit to eliminate imperfections 240 - 400 Grit: finer grain, suitable for sanding smooth surfaces Reminder: Please wear gloves and goggles as much as possible when using Note: The data is manual measurement, please allow 1-100cm error, due to differences between the light and screen, there will be a certain color difference, the specific received in kind prevail.