Package includes: 225mm sanding disc, 50 round sanding discs, 225mm diameter, 8 pre-drilled holes for dust removal, 50 pieces in a box (P40/60/80/120/ 240 pieces (10 pieces each) durable for grinding and convenient. use, you can choose different grit of sand according to your needs. Easy to use Hook-and-loop sanding disc, easy and quick to stick, sturdy and durable, it will not fall off when installed and used, easy to install and remove. Sanding discs 225 mm The sanding discs adapt perfectly to the mounting plate, are easy to replace and can be used wet or dry. HIGH QUALITY The sanding disc is equipped with a base made of thick D-grade paper, high-grade aluminum oxide abrasive disc, made of abrasive aluminum with special heat treatment, which has excellent polishing, sharpness and wear resistance. Durable, anti-static, high-strength resin bonding system for extended life. Good choice for sanding and polishing. Compatible225mm long neck sander, drywall sander, telescopic sander, telescopic sander, flexible sander, flexible wheel, ceiling sander, system attachment 225 mm Sand box. The high quality grinding wheel is suitable for various orbital sanders from other brands, such as: Bosch, Makita, Varo/PowerPlus, Metabo, AEG, Berlan. WIDE APPLICATIONS Versatile sanding disc from 225mm for sanding and polishing wood, hardwood, putty and kits, drywall, foam, jewelry, glass, stone, automotive, machinery, rubber, leather, primer, paint, paint, metal, thermosetting plastic, artificial stone etc... Package content: includes 225mm sanding disc, 10 x 40 sandpaper /60/80/120/240 (50 sheets). Specification: 40/ 60/ 80/ 120 / 240 grain size Range of coarse grains: Very coarse - Coarse - Medium - Fine - Very fine red Dimensions: 9" (225mm) diameter Material: Aluminum Oxide Binding Type: Resin Back Technology: Velcro 8 pre-drilled holes