●Total 240 pcs: 5 inch orbital sandpaper including 20pcs of each grit: 40, 60, 80, 100,120, 150, 180, 240, 320, 400, 600, 800. 12 sanding grades ranging from rough to fine can meet almost all your general polishing requirements. ●Use for: Primarily used for polishing, weld grinding, and deburring and working well on metal and non-metal, wood, rubber, leather, plastic, stone, glass and other materials. ●Long lasting: The double resin bonding system resists heat and humidity, extending the life of the sanding disc. ●Hold securely: High-density and uniform hook provide strong stickiness to sander pads when sander is in progress. ●Even particles: Open-coat produces an even and consistent scratch pattern, special stearate coating offers better surface finishes, and perfect cleaning and polishing effects.