【225mm Sanding Discs】：25pcs P400 hook and loop sanding discs, you can choose different grit sand disc according to your needs 【Perfect Size】: 225mm diameter, suitable for precise sanding discs for long neck sanders, dry clinic grinders and grinding giraffes. 【Good Material】: High quality alumina sanding discs, 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 stick, strong and durable, will 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, plastic, artificial stones