General description These 30PCS 5 inch (125mm) Round Sandpaper Disks are designed for various sanding applications. Made from durable aluminum oxide, they come in a range of grits (320, 400, 600, 800, 1000, and 1500), with 15 pieces of each grit, totaling 90 disks. The sandpaper is primarily suitable for polishing beads and can be used on walls, furniture, cars, boats, and other metal and non-metallic materials to remove rust, paint, burrs, and solder joints. Technical specifications Material: Aluminum Oxide Diameter: 125mm (5 inch) Grits: 320, 400, 600, 800, 1000, 1500 Quantity: 15 disks per grit, total 90 disks Color: Red - Brown Measurement allowed error: +/- 1-3 cm Package Includes 15 x 320 Grit Sanding Discs 15 x 400 Grit Sanding Discs 15 x 600 Grit Sanding Discs 15 x 800 Grit Sanding Discs 15 x 1000 Grit Sanding Discs 15 x 1500 Grit Sanding Discs