Complete type: including 100 abrasive discs in different grit sizes: 40/80/120/180/320/600/800/1000/1500/2000, 10 of each type. Meets almost all polishing requirements. High-strength resin base, extending service life Easy to clean Replace - Durable reverse Velcro makes wheel replacement easier and more convenient; Supports hook and loop to speed up assembly. Applicable Work: Compatible with grinding and polishing metal, non-metal, wood, rubber, leather, plastic, stone, glass and other materials. Very convenient, you can order according to your needs. Package contents: 1 Spta grinding disc 100 pieces (grit 40/80/120/180/320/400/600/800/1500/2000, 10 pieces of each type).