General description These 100Pcs 150mm Sanding Discs are designed for a variety of sanding and polishing tasks. The set includes discs in multiple grits, ensuring that almost all polishing requirements are met. Each grit type is represented by 10 discs, providing a comprehensive solution for your sanding needs. Technical specifications Diameter: 150mm Grits included: 40, 80, 120, 180, 320, 600, 800, 1000, 1500, 2000 Quantity: 100 discs (10 of each grit) Material: High-quality alumina with a thick D-class paper base Backing: Hook and loop for easy attachment Usage Suitable for grinding and polishing various materials including metal, non-metal, wood, rubber, leather, plastics, stone, and glass.