Specification: Brand new Material: Aluminium Oxide Grain Type: Aluminium Oxide Bond Type: Resin Finish: Surface Finish - Semi Open Coat Thickness: 0.8mm Disc Diameter: Approx. 125mm/5" Dust Extractio: Yes Dust Holes: 8 Holes Method Of Construction Hook And Loop, Paper, Resin And Aluminium Oxide Grit Range: Very Coarse(40 Grit Rating), Coarse(60 Grit Rating), Medium(80 Grit Rating), Fine(120 Grit Rating), Very Fine(240 Grit Rating) Package Included: 10 Pcs * 40 Grit Sanding Discs 10 Pcs * 60 Grit Sanding Discs 10Pcs * 80 Grit Sanding Discs 10 Pcs * 120 Grit Sanding Discs 10 Pcs * 240 Grit Sanding Discs Note: Please allow minor deviation due to manual measurement. Due to the difference between different monitors in each computer, the picture may not reflect the actual color of the item.