[225mm Sanding Disc]: 60 pieces of P40 P60 P80 P120 P240 P320 sanding disc, you can choose sanding discs of different sizes according to your needs 【Perfect Size】: 225mm diameter, suitable for long neck sanders, dry clinic grinders and precision sanding discs for grinding giraffes. [Material]: High quality aluminum oxide sanding disc, made of aluminum oxide abrasives. After special heat treatment, it has excellent polishing, sharpness and wear resistance. Durable and anti-static, it is a good choice for sanding and polishing. 【Easy to Use】: It is easy and quick to apply, sturdy and durable, will not fall off once installed during use, and is easy to install and remove. [Wide Application]: Suitable for grinding fillers, primers, fillers, paints, metals, wood, thermosetting plastics, plastics, and artificial stone.