【Perfect Size】: 225mm diameter, 6 holes (40-240 grit) can meet your polishing needs and achieve a good rough and smooth effect in the end. 【High Quality】: The sanding disc features a thick P-class paper backing, made of high-quality alumina with abrasion-resistant sand, and a high-strength resin bonding system for increased durability. 【High Quality】: The sanding disc features a thick P-class paper backing, made of high-quality alumina with abrasion-resistant sand, and a high-strength resin bonding system for increased durability. Durable and anti-static, an excellent choice for sanding and polishing. 【Easy to Use】: Ø 225mm sanding discs, easily replaceable and usable for both wet and dry use. Hook and loop, quick and easy to attach, strong and durable, does not fall off during installation and use, easy to install and remove. 【Wide range of applications】: Mainly used for furniture, decoration, rust removal, solid wood, flooring, sanding and polishing walls. Primer, stucco, plaster,