Complete Set: Includes 100 sanding discs of different grits: 40/80/120/180/320/600/800/1000/1500/2000, 10 of each type. Meets almost all polishing requirements. High Quality: The sanding disc features a thick D-class paper base, made of high-quality alumina with abrasion-resistant sand. The high-strength resin bonding system increases the service life. Easy to Change: The durable reverse makes changing the sanding disc easier and more convenient; hook and loop support for faster mounting. Applicable Operation: Suitable for grinding and polishing metal, non-metal, wood, rubber, leather, plastics, stone, glass, and other materials. Very practical and you can order according to your needs. Package Contents: 1 x 100pcs Sanding Discs (40/80/120/180/320/400/600/800/1500/2000 Grit, 10pcs of each type)