General description Strengthen Abrasive Material: Made of high-strength viscous resin and anti-static alumina particles, these sanding sheets are durable and anti-static. This 70-piece mixed pack includes assorted sandpaper with 7 different grits ranging from rough to fine: 60, 80, 120, 180, 240, 320, and 400 grits, with 10 sheets of each grit to meet almost all your general polishing requirements. Technical specifications Size: 170mm × 95mm Grits: 60, 80, 120, 180, 240, 320, 400 Quantity: 70 pieces (10 sheets of each grit) Design: 4 holes for dust removal to avoid clogging Compatibility and accessories Compatible with detail palm sanders Includes 2 extra tips for replacement Usage Suitable for grinding, polishing, and derusting various materials including metal, non-metal, leather, wood, plastic, stone, rubber, and glass.