New sawtooth shaped pad design with the pad divided into two continuous sections for even action and better control. High quality material for practical and reliable use. Backing technology – hook-and-loop backing disc for quick and secure attachment of sanding papers. Wide application range - ideal for removing and polishing metals, wood, plastics, leather, rubber, glass and more. Material: aluminum oxide Diameter: 152105 mm (approx.) Color: as shown Holes: 11 Quantity: 10 pieces Model/Grits: 60# (grit), 80#, 100#, 120#, 180#, 240#, 320#, 1000#, 1500#, 2000# Notes: 1. You must glue the sandpaper to the adhesive disc to fix it and polish. 2. When using with an electric drill, you still need to add a converter. Use scenarios: - Remove rust and smooth metal surfaces for refinishing. - Refine wooden furniture by stripping old finishes and achieving a smooth, polished surface. - Polish plastic, leather, rubber, or glass parts for improved finish and feel.